Merge pull request #14 from increments/add-build-action

Add workflow to build docker image to GitHub Container Registry

.github/workflows/build_image.yml

@@ -0,0 +1,51 @@
+name: Build image
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - "v*"
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  packages: write
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build_image:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+    steps:
+      - uses: actions/checkout@v3
+      - uses: docker/metadata-action@v4
+        id: meta
+        with:
+          images: ghcr.io/increments/camo
+      - uses: docker/setup-qemu-action@v2
+      - uses: docker/setup-buildx-action@v2
+      - uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push
+        id: build
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          platforms: ${{ matrix.platform }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:16
+FROM node:16.20.2
 
 RUN apt-get update && \
     apt-get -y clean && \
@@ -14,5 +14,5 @@ ADD mime-types.json /opt/camo/
 EXPOSE 8081
 
 RUN npm install
-USER nobody
+USER node
 CMD ["npm", "start"]