Han 55: Deployment microservice (#3)

## Linked ticket in Jira
- https://hanagotchi.atlassian.net/browse/HAN-55

## Describe your changes, marking the new features and possible risks
- Se desplegó el microservicio en Heroku junto a la base de datos
PostgreSQL.
- Se recomienda leer el documento relacionado de
https://docs.google.com/document/d/15BeG5qSsqijsD0bUxlW2gYuGNDYbyXqj5GzICZjJOCU/edit
el cual detalla los cambios a tener en cuenta para desplegar los
microservicios futuros.

.env.dist

@@ -1,8 +1,15 @@
-POSTGRES_USER=
-POSTGRES_PASSWORD=
-POSTGRES_DB=
-POSTGRES_HOST=
-POSTGRES_PORT=
-DATABASE_URL=
-GOOGLE_CLIENT_ID=
+# Users service
+LOGGING_LEVEL=
+PORT=
+
+# Postgres
+POSTGRES_USER=
+POSTGRES_PASSWORD=
+POSTGRES_HOST=
+POSTGRES_PORT=
+POSTGRES_DB=
+POSTGRES_SCHEMA=
+
+# Google
+GOOGLE_CLIENT_ID=
 GOOGLE_CLIENT_SECRET=

.github/workflows/linters.yaml

@@ -1,35 +1,35 @@
-
-name: Linters
-
-on: 'push'
-
-jobs:
-  run-linters:
-    name: Run linters
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Check out Git repository
-        uses: actions/checkout@v2
-
-      - name: Set up Python
-        uses: actions/setup-python@v1
-        with:
-          python-version: 3.8
-
-      - name: Install Python dependencies
-        run: pip install black flake8
-
-      - name: Run linters
-        uses: wearerequired/lint-action@v1
-        with:
-          black: true
-
-      - name: flake8 Lint
-        uses: py-actions/flake8@v1.2.0
-        with:
-          max-line-length: "78"
-
-      - name: GitHub Action for pylint
-        uses: cclauss/GitHub-Action-for-pylint@0.7.0
+
+name: Linters
+
+on: 'push'
+
+jobs:
+  run-linters:
+    name: Run linters
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out Git repository
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.8
+
+      - name: Install Python dependencies
+        run: pip install black flake8
+
+      - name: Run linters
+        uses: wearerequired/lint-action@v1
+        with:
+          black: true
+
+      - name: flake8 Lint
+        uses: py-actions/flake8@v1.2.0
+        with:
+          max-line-length: "78"
+
+      - name: GitHub Action for pylint
+        uses: cclauss/GitHub-Action-for-pylint@0.7.0