diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 34df0ea..ee9ac7a 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -18,26 +18,29 @@ jobs:
       contents: read
       #
     steps:
-      - uses: actions/checkout@v4
-
-      - name: Build image
-        run: docker build . --file Dockerfile --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}"
-
-      - name: Log in to registry
-        run: echo "${{ secrets.CRTOKEN }}" | docker login ghcr.io -u $ --password-stdin
-        #
-      - name: Push image
-        run: |
-          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
-          # This changes all uppercase characters to lowercase.
-          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
-          # This strips the git ref prefix from the version.
-          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
-          # This strips the "v" prefix from the tag name.
-          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
-          # This uses the Docker `latest` tag convention.
-          [ "$VERSION" == "main" ] && VERSION=latest
-          echo IMAGE_ID=$IMAGE_ID
-          echo VERSION=$VERSION
-          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
-          docker push $IMAGE_ID:$VERSION
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.CRTOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: |
+            ${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:latest
+            ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:latest
diff --git a/.vscode/launch.json b/.vscode/launch.json
index e7869ee..71c9e6b 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -4,6 +4,23 @@
   // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
+    {
+      "name": "Nodemon Launch Server",
+      "type": "node",
+      "request": "launch",
+      "cwd": "${workspaceRoot}",
+      "runtimeExecutable": "nodemon",
+      "runtimeArgs": [
+          "--inspect=5858"
+      ],
+      "program": "${workspaceFolder}\\src\\index.js",
+      "restart": true,
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
+      "env": {
+        "LOG_LEVEL": "info"
+      }
+    },
     {
       "type": "node",
       "request": "launch",
diff --git a/Dockerfile b/Dockerfile
index bdd9f5a..da99dee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,6 +12,7 @@ FROM node:16-slim AS build
 RUN mkdir -p /config
 
 ENV PORT=8080
+ENV LOG_LEVEL=info
 
 WORKDIR /usr/src/app
 
diff --git a/README.md b/README.md
index f8282d4..4bbf2c6 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ docker build -t tesla-api-prometheus-exporter:latest .
 
 ```
 docker run -dit --restart unless-stopped --name tesla-api-prometheus-exporter \
-  -v .config:/config \
-  -e CONFIG_PATH=/config -p 9004:8080 \
+  -v .config:/config -p 9004:8080 \
+  -e CONFIG_PATH=/config -e LOG_LEVEL=info \
   tesla-api-prometheus-exporter:latest
 ```
diff --git a/package-lock.json b/package-lock.json
index d96aaae..73f3520 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,8 @@
         "node-schedule": "^2.1.1",
         "prom-client": "^15.0.0",
         "request": "^2.88.2",
-        "teslajs": "^4.10.0"
+        "teslajs": "^4.10.0",
+        "winston": "^3.11.0"
       }
     },
     "../TeslaJS": {
@@ -40,6 +41,24 @@
         "sepia": "^2.0.2"
       }
     },
+    "node_modules/@colors/colors": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/@colors/colors/-/colors-1.6.0.tgz",
+      "integrity": "sha512-Ir+AOibqzrIsL6ajt3Rz3LskB7OiMVHqltZmspbW/TJuTVuyOMirVqAkjfY6JISiLHgyNqicAC8AyHHGzNd/dA==",
+      "engines": {
+        "node": ">=0.1.90"
+      }
+    },
+    "node_modules/@dabh/diagnostics": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@dabh/diagnostics/-/diagnostics-2.0.3.tgz",
+      "integrity": "sha512-hrlQOIi7hAfzsMqlGSFyVucrx38O+j6wiGOf//H2ecvIEqYN4ADBSS2iLMh5UFyDunCNniUIPk/q3riFv45xRA==",
+      "dependencies": {
+        "colorspace": "1.1.x",
+        "enabled": "2.0.x",
+        "kuler": "^2.0.0"
+      }
+    },
     "node_modules/@opentelemetry/api": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/@opentelemetry/api/-/api-1.7.0.tgz",
@@ -48,6 +67,11 @@
         "node": ">=8.0.0"
       }
     },
+    "node_modules/@types/triple-beam": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/@types/triple-beam/-/triple-beam-1.3.5.tgz",
+      "integrity": "sha512-6WaYesThRMCl19iryMYP7/x2OVgCtbIVflDGFpWnb9irXI3UjYE4AzmYuiUKY1AJstGijoY+MgUszMgRxIYTYw=="
+    },
     "node_modules/accepts": {
       "version": "1.3.8",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@@ -101,6 +125,11 @@
         "node": ">=0.8"
       }
     },
+    "node_modules/async": {
+      "version": "3.2.5",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.5.tgz",
+      "integrity": "sha512-baNZyqaaLhyLVKm/DlvdW051MSgO6b8eVfIezl9E5PqWxFgzLm/wQntEW4zOytVburDEr0JlALEpdOFwvErLsg=="
+    },
     "node_modules/asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -191,6 +220,46 @@
       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
       "integrity": "sha512-4tYFyifaFfGacoiObjJegolkwSU4xQNGbVgUiNYVUxbQ2x2lUsFvY4hVgVzGiIe6WLOPqycWXA40l+PWsxthUw=="
     },
+    "node_modules/color": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/color/-/color-3.2.1.tgz",
+      "integrity": "sha512-aBl7dZI9ENN6fUGC7mWpMTPNHmWUSNan9tuWN6ahh5ZLNk9baLJOnSMlrQkHcrfFgz2/RigjUVAjdx36VcemKA==",
+      "dependencies": {
+        "color-convert": "^1.9.3",
+        "color-string": "^1.6.0"
+      }
+    },
+    "node_modules/color-convert": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+      "dependencies": {
+        "color-name": "1.1.3"
+      }
+    },
+    "node_modules/color-name": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+      "integrity": "sha512-72fSenhMw2HZMTVHeCA9KCmpEIbzWiQsjN+BHcBbS9vr1mtt+vJjPdksIBNUmKAW8TFUDPJK5SUU3QhE9NEXDw=="
+    },
+    "node_modules/color-string": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.9.1.tgz",
+      "integrity": "sha512-shrVawQFojnZv6xM40anx4CkoDP+fZsw/ZerEMsW/pyzsRbElpsL/DBVW7q3ExxwusdNXI3lXpuhEZkzs8p5Eg==",
+      "dependencies": {
+        "color-name": "^1.0.0",
+        "simple-swizzle": "^0.2.2"
+      }
+    },
+    "node_modules/colorspace": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/colorspace/-/colorspace-1.1.4.tgz",
+      "integrity": "sha512-BgvKJiuVu1igBUF2kEjRCZXol6wiiGbY5ipL/oVPwm0BL9sIpMIzM8IK7vwuxIIzOXMV3Ey5w+vxhm0rR/TN8w==",
+      "dependencies": {
+        "color": "^3.1.3",
+        "text-hex": "1.0.x"
+      }
+    },
     "node_modules/combined-stream": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
@@ -332,6 +401,11 @@
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
       "integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow=="
     },
+    "node_modules/enabled": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/enabled/-/enabled-2.0.0.tgz",
+      "integrity": "sha512-AKrN98kuwOzMIdAizXGI86UFBoo26CL21UM763y1h/GMSJ4/OHU9k2YlsmBpyScFo/wbLzWQJBMCW4+IO3/+OQ=="
+    },
     "node_modules/encodeurl": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
@@ -417,6 +491,11 @@
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
       "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw=="
     },
+    "node_modules/fecha": {
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/fecha/-/fecha-4.2.3.tgz",
+      "integrity": "sha512-OP2IUU6HeYKJi3i0z4A19kHMQoLVs4Hc+DPqqxI2h/DPZHTm/vjsfC6P0b4jCMy14XizLBqvndQ+UilD7707Jw=="
+    },
     "node_modules/finalhandler": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
@@ -434,6 +513,11 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/fn.name": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/fn.name/-/fn.name-1.1.0.tgz",
+      "integrity": "sha512-GRnmB5gPyJpAhTQdSZTSp9uaPSvl09KoYcMQtsB9rQoOmzs9dH6ffeccH+Z+cv6P68Hu5bC6JjRh4Ah/mHSNRw=="
+    },
     "node_modules/follow-redirects": {
       "version": "1.15.3",
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.3.tgz",
@@ -649,6 +733,22 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/is-arrayish": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.2.tgz",
+      "integrity": "sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ=="
+    },
+    "node_modules/is-stream": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.1.tgz",
+      "integrity": "sha512-hFoiJiTl63nn+kstHGBtewWSKnQLpyb155KHheA1l39uvtO9nWIop1p3udqPcUd/xbF1VLMO4n7OI6p7RbngDg==",
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/is-typedarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
@@ -693,6 +793,32 @@
         "node": ">=0.6.0"
       }
     },
+    "node_modules/kuler": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/kuler/-/kuler-2.0.0.tgz",
+      "integrity": "sha512-Xq9nH7KlWZmXAtodXDDRE7vs6DU1gTU8zYDHDiWLSip45Egwq3plLHzPn27NgvzL2r1LMPC1vdqh98sQxtqj4A=="
+    },
+    "node_modules/logform": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/logform/-/logform-2.6.0.tgz",
+      "integrity": "sha512-1ulHeNPp6k/LD8H91o7VYFBng5i1BDE7HoKxVbZiGFidS1Rj65qcywLxX+pVfAPoQJEjRdvKcusKwOupHCVOVQ==",
+      "dependencies": {
+        "@colors/colors": "1.6.0",
+        "@types/triple-beam": "^1.3.2",
+        "fecha": "^4.2.0",
+        "ms": "^2.1.1",
+        "safe-stable-stringify": "^2.3.1",
+        "triple-beam": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 12.0.0"
+      }
+    },
+    "node_modules/logform/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+    },
     "node_modules/long-timeout": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/long-timeout/-/long-timeout-0.1.1.tgz",
@@ -818,6 +944,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/one-time": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/one-time/-/one-time-1.0.0.tgz",
+      "integrity": "sha512-5DXOiRKwuSEcQ/l0kGCF6Q3jcADFv5tSmRaJck/OqkVFcOzutB134KRSfF0xDrL39MNnqxbHBbUUcjZIhTgb2g==",
+      "dependencies": {
+        "fn.name": "1.x.x"
+      }
+    },
     "node_modules/parseurl": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
@@ -922,6 +1056,19 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/request": {
       "version": "2.88.2",
       "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
@@ -993,6 +1140,14 @@
         }
       ]
     },
+    "node_modules/safe-stable-stringify": {
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/safe-stable-stringify/-/safe-stable-stringify-2.4.3.tgz",
+      "integrity": "sha512-e2bDA2WJT0wxseVd4lsDP4+3ONX6HpMXQa1ZhFQ7SU+GjvORCmShbCMltrtIDfkYhVHrOcPtj+KhmDBdPdZD1g==",
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -1072,6 +1227,14 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/simple-swizzle": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz",
+      "integrity": "sha512-JA//kQgZtbuY83m+xT+tXJkmJncGMTFT+C+g2h2R9uxkYIrE2yy9sgmcLhCnw57/WSD+Eh3J97FPEDFnbXnDUg==",
+      "dependencies": {
+        "is-arrayish": "^0.3.1"
+      }
+    },
     "node_modules/sorted-array-functions": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/sorted-array-functions/-/sorted-array-functions-1.3.0.tgz",
@@ -1101,6 +1264,14 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/stack-trace": {
+      "version": "0.0.10",
+      "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
+      "integrity": "sha512-KGzahc7puUKkzyMt+IqAep+TVNbKP+k2Lmwhub39m1AsTSkaDutx56aDCo+HLDzf/D26BIHTJWNiTG1KAJiQCg==",
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/statuses": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz",
@@ -1109,6 +1280,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/string_decoder": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+      "dependencies": {
+        "safe-buffer": "~5.2.0"
+      }
+    },
     "node_modules/tdigest": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/tdigest/-/tdigest-0.1.2.tgz",
@@ -1127,6 +1306,11 @@
         "ws": "^8.0.0"
       }
     },
+    "node_modules/text-hex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/text-hex/-/text-hex-1.0.0.tgz",
+      "integrity": "sha512-uuVGNWzgJ4yhRaNSiubPY7OjISw4sw4E5Uv0wbjp+OzcbmVU/rsT8ujgcXJhn9ypzsgr5vlzpPqP+MBBKcGvbg=="
+    },
     "node_modules/toidentifier": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
@@ -1147,6 +1331,14 @@
         "node": ">=0.8"
       }
     },
+    "node_modules/triple-beam": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/triple-beam/-/triple-beam-1.4.1.tgz",
+      "integrity": "sha512-aZbgViZrg1QNcG+LULa7nhZpJTZSLm/mXnHXnbAbjmN5aSa0y7V+wvv6+4WaBtpISJzThKy+PIPxc1Nq1EJ9mg==",
+      "engines": {
+        "node": ">= 14.0.0"
+      }
+    },
     "node_modules/tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -1191,6 +1383,11 @@
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
+    },
     "node_modules/utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
@@ -1229,6 +1426,40 @@
         "extsprintf": "^1.2.0"
       }
     },
+    "node_modules/winston": {
+      "version": "3.11.0",
+      "resolved": "https://registry.npmjs.org/winston/-/winston-3.11.0.tgz",
+      "integrity": "sha512-L3yR6/MzZAOl0DsysUXHVjOwv8mKZ71TrA/41EIduGpOOV5LQVodqN+QdQ6BS6PJ/RdIshZhq84P/fStEZkk7g==",
+      "dependencies": {
+        "@colors/colors": "^1.6.0",
+        "@dabh/diagnostics": "^2.0.2",
+        "async": "^3.2.3",
+        "is-stream": "^2.0.0",
+        "logform": "^2.4.0",
+        "one-time": "^1.0.0",
+        "readable-stream": "^3.4.0",
+        "safe-stable-stringify": "^2.3.1",
+        "stack-trace": "0.0.x",
+        "triple-beam": "^1.3.0",
+        "winston-transport": "^4.5.0"
+      },
+      "engines": {
+        "node": ">= 12.0.0"
+      }
+    },
+    "node_modules/winston-transport": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/winston-transport/-/winston-transport-4.6.0.tgz",
+      "integrity": "sha512-wbBA9PbPAHxKiygo7ub7BYRiKxms0tpfU2ljtWzb3SjRjv5yl6Ozuy/TkXf00HTAt+Uylo3gSkNwzc4ME0wiIg==",
+      "dependencies": {
+        "logform": "^2.3.2",
+        "readable-stream": "^3.6.0",
+        "triple-beam": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 12.0.0"
+      }
+    },
     "node_modules/ws": {
       "version": "8.14.2",
       "resolved": "https://registry.npmjs.org/ws/-/ws-8.14.2.tgz",
@@ -1251,11 +1482,31 @@
     }
   },
   "dependencies": {
+    "@colors/colors": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/@colors/colors/-/colors-1.6.0.tgz",
+      "integrity": "sha512-Ir+AOibqzrIsL6ajt3Rz3LskB7OiMVHqltZmspbW/TJuTVuyOMirVqAkjfY6JISiLHgyNqicAC8AyHHGzNd/dA=="
+    },
+    "@dabh/diagnostics": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@dabh/diagnostics/-/diagnostics-2.0.3.tgz",
+      "integrity": "sha512-hrlQOIi7hAfzsMqlGSFyVucrx38O+j6wiGOf//H2ecvIEqYN4ADBSS2iLMh5UFyDunCNniUIPk/q3riFv45xRA==",
+      "requires": {
+        "colorspace": "1.1.x",
+        "enabled": "2.0.x",
+        "kuler": "^2.0.0"
+      }
+    },
     "@opentelemetry/api": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/@opentelemetry/api/-/api-1.7.0.tgz",
       "integrity": "sha512-AdY5wvN0P2vXBi3b29hxZgSFvdhdxPB9+f0B6s//P9Q8nibRWeA3cHm8UmLpio9ABigkVHJ5NMPk+Mz8VCCyrw=="
     },
+    "@types/triple-beam": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/@types/triple-beam/-/triple-beam-1.3.5.tgz",
+      "integrity": "sha512-6WaYesThRMCl19iryMYP7/x2OVgCtbIVflDGFpWnb9irXI3UjYE4AzmYuiUKY1AJstGijoY+MgUszMgRxIYTYw=="
+    },
     "accepts": {
       "version": "1.3.8",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@@ -1299,6 +1550,11 @@
       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
       "integrity": "sha512-NfJ4UzBCcQGLDlQq7nHxH+tv3kyZ0hHQqF5BO6J7tNJeP5do1llPr8dZ8zHonfhAu0PHAdMkSo+8o0wxg9lZWw=="
     },
+    "async": {
+      "version": "3.2.5",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.5.tgz",
+      "integrity": "sha512-baNZyqaaLhyLVKm/DlvdW051MSgO6b8eVfIezl9E5PqWxFgzLm/wQntEW4zOytVburDEr0JlALEpdOFwvErLsg=="
+    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -1376,6 +1632,46 @@
       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
       "integrity": "sha512-4tYFyifaFfGacoiObjJegolkwSU4xQNGbVgUiNYVUxbQ2x2lUsFvY4hVgVzGiIe6WLOPqycWXA40l+PWsxthUw=="
     },
+    "color": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/color/-/color-3.2.1.tgz",
+      "integrity": "sha512-aBl7dZI9ENN6fUGC7mWpMTPNHmWUSNan9tuWN6ahh5ZLNk9baLJOnSMlrQkHcrfFgz2/RigjUVAjdx36VcemKA==",
+      "requires": {
+        "color-convert": "^1.9.3",
+        "color-string": "^1.6.0"
+      }
+    },
+    "color-convert": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+      "requires": {
+        "color-name": "1.1.3"
+      }
+    },
+    "color-name": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+      "integrity": "sha512-72fSenhMw2HZMTVHeCA9KCmpEIbzWiQsjN+BHcBbS9vr1mtt+vJjPdksIBNUmKAW8TFUDPJK5SUU3QhE9NEXDw=="
+    },
+    "color-string": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.9.1.tgz",
+      "integrity": "sha512-shrVawQFojnZv6xM40anx4CkoDP+fZsw/ZerEMsW/pyzsRbElpsL/DBVW7q3ExxwusdNXI3lXpuhEZkzs8p5Eg==",
+      "requires": {
+        "color-name": "^1.0.0",
+        "simple-swizzle": "^0.2.2"
+      }
+    },
+    "colorspace": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/colorspace/-/colorspace-1.1.4.tgz",
+      "integrity": "sha512-BgvKJiuVu1igBUF2kEjRCZXol6wiiGbY5ipL/oVPwm0BL9sIpMIzM8IK7vwuxIIzOXMV3Ey5w+vxhm0rR/TN8w==",
+      "requires": {
+        "color": "^3.1.3",
+        "text-hex": "1.0.x"
+      }
+    },
     "combined-stream": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
@@ -1480,6 +1776,11 @@
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
       "integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow=="
     },
+    "enabled": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/enabled/-/enabled-2.0.0.tgz",
+      "integrity": "sha512-AKrN98kuwOzMIdAizXGI86UFBoo26CL21UM763y1h/GMSJ4/OHU9k2YlsmBpyScFo/wbLzWQJBMCW4+IO3/+OQ=="
+    },
     "encodeurl": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
@@ -1553,6 +1854,11 @@
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
       "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw=="
     },
+    "fecha": {
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/fecha/-/fecha-4.2.3.tgz",
+      "integrity": "sha512-OP2IUU6HeYKJi3i0z4A19kHMQoLVs4Hc+DPqqxI2h/DPZHTm/vjsfC6P0b4jCMy14XizLBqvndQ+UilD7707Jw=="
+    },
     "finalhandler": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
@@ -1567,6 +1873,11 @@
         "unpipe": "~1.0.0"
       }
     },
+    "fn.name": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/fn.name/-/fn.name-1.1.0.tgz",
+      "integrity": "sha512-GRnmB5gPyJpAhTQdSZTSp9uaPSvl09KoYcMQtsB9rQoOmzs9dH6ffeccH+Z+cv6P68Hu5bC6JjRh4Ah/mHSNRw=="
+    },
     "follow-redirects": {
       "version": "1.15.3",
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.3.tgz",
@@ -1709,6 +2020,16 @@
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
       "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g=="
     },
+    "is-arrayish": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.2.tgz",
+      "integrity": "sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ=="
+    },
+    "is-stream": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.1.tgz",
+      "integrity": "sha512-hFoiJiTl63nn+kstHGBtewWSKnQLpyb155KHheA1l39uvtO9nWIop1p3udqPcUd/xbF1VLMO4n7OI6p7RbngDg=="
+    },
     "is-typedarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
@@ -1750,6 +2071,31 @@
         "verror": "1.10.0"
       }
     },
+    "kuler": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/kuler/-/kuler-2.0.0.tgz",
+      "integrity": "sha512-Xq9nH7KlWZmXAtodXDDRE7vs6DU1gTU8zYDHDiWLSip45Egwq3plLHzPn27NgvzL2r1LMPC1vdqh98sQxtqj4A=="
+    },
+    "logform": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/logform/-/logform-2.6.0.tgz",
+      "integrity": "sha512-1ulHeNPp6k/LD8H91o7VYFBng5i1BDE7HoKxVbZiGFidS1Rj65qcywLxX+pVfAPoQJEjRdvKcusKwOupHCVOVQ==",
+      "requires": {
+        "@colors/colors": "1.6.0",
+        "@types/triple-beam": "^1.3.2",
+        "fecha": "^4.2.0",
+        "ms": "^2.1.1",
+        "safe-stable-stringify": "^2.3.1",
+        "triple-beam": "^1.3.0"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+        }
+      }
+    },
     "long-timeout": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/long-timeout/-/long-timeout-0.1.1.tgz",
@@ -1836,6 +2182,14 @@
         "ee-first": "1.1.1"
       }
     },
+    "one-time": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/one-time/-/one-time-1.0.0.tgz",
+      "integrity": "sha512-5DXOiRKwuSEcQ/l0kGCF6Q3jcADFv5tSmRaJck/OqkVFcOzutB134KRSfF0xDrL39MNnqxbHBbUUcjZIhTgb2g==",
+      "requires": {
+        "fn.name": "1.x.x"
+      }
+    },
     "parseurl": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
@@ -1916,6 +2270,16 @@
         "unpipe": "1.0.0"
       }
     },
+    "readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "requires": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      }
+    },
     "request": {
       "version": "2.88.2",
       "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
@@ -1965,6 +2329,11 @@
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
       "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
     },
+    "safe-stable-stringify": {
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/safe-stable-stringify/-/safe-stable-stringify-2.4.3.tgz",
+      "integrity": "sha512-e2bDA2WJT0wxseVd4lsDP4+3ONX6HpMXQa1ZhFQ7SU+GjvORCmShbCMltrtIDfkYhVHrOcPtj+KhmDBdPdZD1g=="
+    },
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -2034,6 +2403,14 @@
         "object-inspect": "^1.9.0"
       }
     },
+    "simple-swizzle": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz",
+      "integrity": "sha512-JA//kQgZtbuY83m+xT+tXJkmJncGMTFT+C+g2h2R9uxkYIrE2yy9sgmcLhCnw57/WSD+Eh3J97FPEDFnbXnDUg==",
+      "requires": {
+        "is-arrayish": "^0.3.1"
+      }
+    },
     "sorted-array-functions": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/sorted-array-functions/-/sorted-array-functions-1.3.0.tgz",
@@ -2055,11 +2432,24 @@
         "tweetnacl": "~0.14.0"
       }
     },
+    "stack-trace": {
+      "version": "0.0.10",
+      "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
+      "integrity": "sha512-KGzahc7puUKkzyMt+IqAep+TVNbKP+k2Lmwhub39m1AsTSkaDutx56aDCo+HLDzf/D26BIHTJWNiTG1KAJiQCg=="
+    },
     "statuses": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz",
       "integrity": "sha512-RwNA9Z/7PrK06rYLIzFMlaF+l73iwpzsqRIFgbMLbTcLD6cOao82TaWefPXQvB2fOC4AjuYSEndS7N/mTCbkdQ=="
     },
+    "string_decoder": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+      "requires": {
+        "safe-buffer": "~5.2.0"
+      }
+    },
     "tdigest": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/tdigest/-/tdigest-0.1.2.tgz",
@@ -2078,6 +2468,11 @@
         "ws": "^8.0.0"
       }
     },
+    "text-hex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/text-hex/-/text-hex-1.0.0.tgz",
+      "integrity": "sha512-uuVGNWzgJ4yhRaNSiubPY7OjISw4sw4E5Uv0wbjp+OzcbmVU/rsT8ujgcXJhn9ypzsgr5vlzpPqP+MBBKcGvbg=="
+    },
     "toidentifier": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
@@ -2092,6 +2487,11 @@
         "punycode": "^2.1.1"
       }
     },
+    "triple-beam": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/triple-beam/-/triple-beam-1.4.1.tgz",
+      "integrity": "sha512-aZbgViZrg1QNcG+LULa7nhZpJTZSLm/mXnHXnbAbjmN5aSa0y7V+wvv6+4WaBtpISJzThKy+PIPxc1Nq1EJ9mg=="
+    },
     "tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -2127,6 +2527,11 @@
         "punycode": "^2.1.0"
       }
     },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
+    },
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
@@ -2152,6 +2557,34 @@
         "extsprintf": "^1.2.0"
       }
     },
+    "winston": {
+      "version": "3.11.0",
+      "resolved": "https://registry.npmjs.org/winston/-/winston-3.11.0.tgz",
+      "integrity": "sha512-L3yR6/MzZAOl0DsysUXHVjOwv8mKZ71TrA/41EIduGpOOV5LQVodqN+QdQ6BS6PJ/RdIshZhq84P/fStEZkk7g==",
+      "requires": {
+        "@colors/colors": "^1.6.0",
+        "@dabh/diagnostics": "^2.0.2",
+        "async": "^3.2.3",
+        "is-stream": "^2.0.0",
+        "logform": "^2.4.0",
+        "one-time": "^1.0.0",
+        "readable-stream": "^3.4.0",
+        "safe-stable-stringify": "^2.3.1",
+        "stack-trace": "0.0.x",
+        "triple-beam": "^1.3.0",
+        "winston-transport": "^4.5.0"
+      }
+    },
+    "winston-transport": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/winston-transport/-/winston-transport-4.6.0.tgz",
+      "integrity": "sha512-wbBA9PbPAHxKiygo7ub7BYRiKxms0tpfU2ljtWzb3SjRjv5yl6Ozuy/TkXf00HTAt+Uylo3gSkNwzc4ME0wiIg==",
+      "requires": {
+        "logform": "^2.3.2",
+        "readable-stream": "^3.6.0",
+        "triple-beam": "^1.3.0"
+      }
+    },
     "ws": {
       "version": "8.14.2",
       "resolved": "https://registry.npmjs.org/ws/-/ws-8.14.2.tgz",
diff --git a/package.json b/package.json
index 12e4c0c..825a008 100644
--- a/package.json
+++ b/package.json
@@ -11,13 +11,14 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "teslajs": "^4.10.0",
     "axios": "^1.5.0",
     "dotenv": "^16.0.3",
     "express": "^4.18.2",
     "moment": "^2.29.4",
     "node-schedule": "^2.1.1",
     "prom-client": "^15.0.0",
-    "request": "^2.88.2"
+    "request": "^2.88.2",
+    "teslajs": "^4.10.0",
+    "winston": "^3.11.0"
   }
 }
diff --git a/src/index.js b/src/index.js
index d9c11d5..b891bb9 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,16 +1,21 @@
 import dotenv from 'dotenv'
-import fs from 'fs';
-import express from 'express';
-import * as client from 'prom-client';
-import schedule from 'node-schedule';
-import moment from 'moment';
+import express from 'express'
+import logger from 'winston'
+import * as client from 'prom-client'
+import schedule from 'node-schedule'
+import moment from 'moment'
 import { poll } from './poll-tesla-metrics.mjs'
 import { refreshTokens, loadTokens } from './refresh-tesla-token.mjs'
 
-dotenv.config();
-const server = express();
+dotenv.config()
 const register = new client.Registry()
 
+logger.configure({
+  level: process.env.LOG_LEVEL || 'info',
+  format: logger.format.cli(),
+  transports: [new logger.transports.Console()],
+})
+
 register.setDefaultLabels({
   app: 'tesla-api'
 })
@@ -21,70 +26,67 @@ client.collectDefaultMetrics({ register })
 process.on('SIGINT', function () {
 	schedule.gracefulShutdown()
 		.then(() => process.exit(0))
-});
+})
 
 //
 
-const authFile = process.env.CONFIG_PATH + "/auth.json";
-var apiTokens = loadTokens(authFile);
-var registeredMetrics = {};
+const authFile = process.env.CONFIG_PATH + "/auth.json"
+var apiTokens = loadTokens(authFile)
 
 function runTask(fireDate) {
-  console.log(moment().format('lll') + ` (${fireDate}) : Polling Tesla API metrics`)
+  logger.info(moment().format('lll') + ` (${fireDate}) : Polling Tesla API metrics`)
   poll(apiTokens).then((products) => {
 
       for (const p of products) {
-        console.log(`Updating '${p.energy_site_id}'`);
+        logger.info(`Updating '${p.energy_site_id}'`)
         for (const m in p.metrics) {
-          let v = p.metrics[m];
-          const fqm = p.energy_site_id + '.' + m;
-          //console.log(`${fqm} === ${v}`);
-          if (!(fqm in registeredMetrics)) {
-            const metrics = new client.Gauge({
+          let v = p.metrics[m]
+          //logger.debug(`${fqm} === ${v}`)
+          let metric = register.getSingleMetric(m)
+          if (!metric) {
+            metric = new client.Gauge({
               name: m,
               help: `Tesla API metric ${m}`,
               labelNames: ['energy_site_id', 'site_name', 'resource_type'],
-            });
-            register.registerMetric(metrics);
-            registeredMetrics[fqm] = metrics;
+            })
+            register.registerMetric(metric)
           }
-          registeredMetrics[fqm].labels( p.energy_site_id, p.site_name, p.resource_type ).set(Number(v));
+          metric.labels( p.energy_site_id, p.site_name, p.resource_type ).set(Number(v))
         }
-      };
+      }
 
     }).catch(err => {
-      console.error(`Failed to poll metrics (${err})`);
+      logger.error(`Failed to poll metrics (${err})`)
       if (err == "Unauthorized") {
-        console.log("Updating tokens");
+        logger.info("Updating tokens")
         refreshTokens(authFile).then((newApiTokens) => {
-          apiTokens = newApiTokens;
-          runTask(fireDate);
+          apiTokens = newApiTokens
+          runTask(fireDate)
         }).catch(err => {
-          console.error(`Failed to refresh tokens (${err})`);
-        });
+          logger.error(`Failed to refresh tokens (${err})`)
+        })
       }
-      console.error(err)
-  });
+      logger.error(err)
+  })
 }
 
-runTask(moment().format('lll'));
-const mySQLJob = schedule.scheduleJob("*/1 * * * *", function(fireDate){
-  runTask(fireDate);
-});
+runTask(moment().format('lll'))
+const mySQLJob = schedule.scheduleJob("*/1 * * * *", function(fireDate) {
+  runTask(fireDate)
+})
 
 // Populate metrics
+const server = express()
 server.get('/metrics', async (req, res) => {
 	try {
-		res.set('Content-Type', register.contentType);
-		res.end(await register.metrics());
+		res.set('Content-Type', register.contentType)
+		res.end(await register.metrics())
 	} catch (ex) {
-		console.error(ex);
-		res.status(500).end(ex);
+		logger.error(ex)
+		res.status(500).end(ex)
 	}
-});
+})
 
-const port = process.env.PORT || 8080;
-console.log(
-	`Server listening to ${port}, metrics exposed on /metrics endpoint`,
-);
-server.listen(port);
\ No newline at end of file
+const port = process.env.PORT || 8080
+logger.info(`Server listening to ${port}, metrics exposed on /metrics endpoint`)
+server.listen(port)
\ No newline at end of file
diff --git a/src/poll-tesla-metrics.mjs b/src/poll-tesla-metrics.mjs
index 3b42ce9..4e73ce1 100644
--- a/src/poll-tesla-metrics.mjs
+++ b/src/poll-tesla-metrics.mjs
@@ -1,37 +1,38 @@
-import tjs from 'teslajs';
+import tjs from 'teslajs'
+import logger from 'winston'
 
 async function poll(apiTokens) {
-  var products = await tjs.productsAsync({ authToken: apiTokens.access_token });
-  console.log(`Found ${products.length} products`);
+  var products = await tjs.productsAsync({ authToken: apiTokens.access_token })
+  logger.info(`Found ${products.length} products`)
   
-  let response = [];
+  let response = []
 
   for (const p of products) {
 
-    console.log(`Polling live status for site '${p.energy_site_id}'`);
-    //console.log(p);
-    let status = await tjs.solarStatusAsync({ authToken: apiTokens.access_token, siteId: p.energy_site_id });
-    //console.log(status);
+    logger.info(`Polling live status for site '${p.energy_site_id}'`)
+    //logger.debug(p)
+    let status = await tjs.solarStatusAsync({ authToken: apiTokens.access_token, siteId: p.energy_site_id })
+    //logger.debug(status)
 
     let product = {
       energy_site_id: p.energy_site_id, 
       site_name: p.site_name, 
       resource_type: p.resource_type,
       metrics: {}
-    };
+    }
 
     for (const m in status) {
-      let v = status[m];
+      let v = status[m]
       if (typeof v !== 'object' && !Array.isArray(v) && v !== null && !isNaN(v)) {
-        //console.log(`${m} === ${status[m]}`);
-        product.metrics[m] = Number(v);
+        //logger.debug(`${m} === ${status[m]}`)
+        product.metrics[m] = Number(v)
       }
     }
 
-    response.push(product);
+    response.push(product)
   }
 
-  return response;
+  return response
 }
 
-export { poll }; 
+export { poll }
diff --git a/src/refresh-tesla-token.mjs b/src/refresh-tesla-token.mjs
index 13fda60..9cca0b8 100644
--- a/src/refresh-tesla-token.mjs
+++ b/src/refresh-tesla-token.mjs
@@ -1,19 +1,20 @@
-import request from 'request';
-import fs from 'fs';
+import request from 'request'
+import fs from 'fs'
+import logger from 'winston'
 
 function req(parameters) {
   return new Promise(function (resolve, reject) {
       request(parameters, function (error, response, body) {
           if (error /*|| response.statusCode >= 400*/) {
-              return reject(error || new Error("HTTP error " + response.statusCode));
+              return reject(error || new Error("HTTP error " + response.statusCode))
           }
-          resolve({response: response, body: body});
-      });
-  });
+          resolve({response: response, body: body})
+      })
+  })
 }
 
 async function refreshTokens(authFile) {
-  const apiTokens = loadTokens(authFile);
+  const apiTokens = loadTokens(authFile)
   const {response, body} = await req({
     method: 'POST',
     url: 'https://auth.tesla.com/oauth2/v3/token',
@@ -25,20 +26,20 @@ async function refreshTokens(authFile) {
         "refresh_token": apiTokens.refresh_token,
         "scope": "openid email offline_access"
     }
-  });
+  })
 
   if (response.statusCode != 200) {
-    throw TypeError(`Unexpected response status ${response.statusCode}`);
+    throw TypeError(`Unexpected response status ${response.statusCode}`)
   }
   
-  console.log(JSON.stringify(body, null, 2));
+  logger.info(JSON.stringify(body, null, 2))
   
-  fs.writeFileSync(authFile, JSON.stringify(body, null, 2), 'utf8');
-  return body;
+  fs.writeFileSync(authFile, JSON.stringify(body, null, 2), 'utf8')
+  return body
 }
 
 function loadTokens(authFile) {
-  return JSON.parse(fs.readFileSync(authFile, "utf8"));
+  return JSON.parse(fs.readFileSync(authFile, "utf8"))
 }
 
-export { refreshTokens, loadTokens }; 
\ No newline at end of file
+export { refreshTokens, loadTokens }
\ No newline at end of file