build container with github actions

.dockerignore

@@ -0,0 +1,3 @@
+/node_modules/
+/dist/
+

.github/workflows/push.yml

@@ -0,0 +1,52 @@
+name: build and push docker container
+
+on:
+  push:
+    branches:
+      - master
+      - gh-actions
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+       include:
+         - target: x86
+           docker-image: cbase/infoscreens
+           compose-file: docker-compose.yml
+           docker-file: Dockerfile
+             #         - target: raspberrypi3
+             #           docker-image: cbase/raspberrypi3-infoscreens
+             #           compose-file: docker-compose-raspberrypi3.yml
+             #           docker-file: Dockerfile-raspberrypi3
+
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+
+      - name: set up qemu
+        uses: docker/setup-qemu-action@v1
+
+      - name: set up docker buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: login to dockerhub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ${{ matrix.docker-file }}
+          push: true
+          platforms: linux/amd64,linux/arm
+          tags: |
+            ${{ matrix.docker-image }}:latest
+            ${{ matrix.docker-image }}:${{ github.sha }}
+

.gitignore

@@ -1,4 +1,4 @@
 /node_modules/
 /dist/
 npm-debug.log
-package-lock.json
+

Dockerfile

@@ -1,23 +1,32 @@
-FROM node:10-alpine
+FROM node:16-alpine AS builder
 
-# Reduce npm install verbosity, overflows Travis CI log view
-ENV NPM_CONFIG_LOGLEVEL warn
-ENV NODE_ENV production
+WORKDIR /var/infoscreens
 
-EXPOSE 8080
+COPY package.json package-lock.json ./
+RUN npm ci
+
+COPY . ./
+RUN npm run build
+
+FROM node:16-alpine
+
+ENV NODE_ENV production
 
-RUN mkdir -p /var/infoscreens
 WORKDIR /var/infoscreens
-COPY package.json /var/infoscreens
-COPY server /var/infoscreens/server
-COPY dist /var/infoscreens/dist
 
 # Install NoFlo and dependencies
-RUN npm install --only=production
+COPY package.json package-lock.json ./
+RUN npm ci --only=production
+
+COPY server /var/infoscreens/server
+COPY --from=builder /var/infoscreens/dist /var/infoscreens/dist
 
 # Map the volumes
 VOLUME /var/infoscreens/dist
 VOLUME /var/infoscreens/videos
 VOLUME /var/infoscreens/pictures
 
+EXPOSE 8080
+
 CMD npm start
+