Merge pull request #27 from axiom-data-science/release-push

Add a GitHub action to push releases to Docker Hub as tagged images

Author: kwilcox

.github/workflows/release.yml

@@ -0,0 +1,91 @@
+name: Release
+
+on:
+ release:
+  types: [published]
+
+env:
+  BUILDX_CACHE: /tmp/.buildx-tag-cache
+  CACHE_KEY: docker-erddap-buildx-tag-
+
+jobs:
+  build:
+    name: Build and test Docker Image
+    runs-on: ubuntu-20.04
+    timeout-minutes: 10
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v1
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+
+    - name: Cache Docker layers
+      uses: actions/cache@v2
+      with:
+        path: ${ BUILDX_CACHE }
+        key: ${ CACHE_KEY }${{ github.sha }}
+        restore-keys: |
+          ${ CACHE_KEY }
+
+    - name: Login to Docker Hub
+      uses: docker/login-action@v1
+      continue-on-error: true
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - name: Build release
+      if: github.event_name == 'release' && github.event.action == 'created'
+      uses: docker/build-push-action@v2
+      with:
+        push: false
+        tags: axiom/docker-erddap:${{ github.event.release.tag_name }}
+        cache-from: type=local,src=${ BUILDX_CACHE }
+        cache-to: type=local,dest=${ BUILDX_CACHE }
+        outputs: type=docker
+
+    - name: Run Docker Image in Background
+      run: docker run -d -p 8080:8080 axiom/docker-erddap:${{ github.event.release.tag_name }}
+
+    - name: Check that ERDDAP Docker Image will return a 200
+      uses: ifaxity/wait-on-action@v1
+      timeout-minutes: 1
+      with:
+        resource: http://localhost:8080/erddap/index.html
+
+  push:
+    name: Push tagged image to Docker Hub
+    runs-on: ubuntu-20.04
+    timeout-minutes: 10
+    needs: build
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v1
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+
+    - name: Cache Docker layers
+      uses: actions/cache@v2
+      with:
+        path: ${ BUILDX_CACHE }
+        key: ${ CACHE_KEY }${{ github.sha }}
+        restore-keys: |
+          ${ CACHE_KEY }
+
+    - name: Login to Docker Hub
+      uses: docker/login-action@v1
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - name: Push tagged image to Docker Hub
+      uses: docker/build-push-action@v2
+      with:
+        push: true
+        tags: ${{ github.event.release.tag_name }}
+        cache-from: type=local,src=${ BUILDX_CACHE }
+        cache-to: type=local,dest=${ BUILDX_CACHE }