Merge pull request #17 from nansencenter/github_actions

Migrate to GitHub actions

.github/workflows/build_images.yml

@@ -0,0 +1,116 @@
+---
+name: "Build Docker images"
+on:
+  push:
+    branches: ['**']
+  release:
+    types: [released]
+env:
+  IMAGE_NAME: "${{ secrets.DOCKER_ORG }}/nansat_base"
+jobs:
+  build_standard_docker_image:
+    runs-on: 'ubuntu-20.04'
+    steps:
+      - name: 'Checkout repository'
+        uses: actions/checkout@v2
+
+      - name: "Extract tag name"
+        id: get_version
+        run: |
+          if [[ $GITHUB_REF == refs/tags/* ]];then
+            TAG="${GITHUB_REF#refs/tags/}"
+          else
+            TAG='tmp'
+          fi
+          echo "::set-output name=VERSION::${TAG}"
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Cache Docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-standard-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-standard-
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_PASS }}
+
+      - name: Build docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: Dockerfile
+          push: ${{ startsWith(github.ref, 'refs/tags/') }}
+          tags: |
+            ${{ env.IMAGE_NAME }}:latest
+            ${{ env.IMAGE_NAME }}:${{ steps.get_version.outputs.VERSION }}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache-new
+
+        # Temp fix
+        # https://github.com/docker/build-push-action/issues/252
+        # https://github.com/moby/buildkit/issues/1896
+      - name: Move cache
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
+
+  build_slim_docker_image:
+    runs-on: 'ubuntu-20.04'
+    steps:
+      - name: 'Checkout repository'
+        uses: actions/checkout@v2
+
+      - name: "Extract tag name"
+        id: get_version
+        run: |
+          if [[ $GITHUB_REF == refs/tags/* ]];then
+            TAG="${GITHUB_REF#refs/tags/}"
+          else
+            TAG='tmp'
+          fi
+          echo "::set-output name=VERSION::${TAG}"
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Cache Docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-slim-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-slim-
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_PASS }}
+
+      - name: Build docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: Dockerfile_slim
+          push: ${{ startsWith(github.ref, 'refs/tags/') }}
+          tags: |
+            ${{ env.IMAGE_NAME }}:latest-slim
+            ${{ env.IMAGE_NAME }}:${{ steps.get_version.outputs.VERSION }}-slim
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache-new
+
+        # Temp fix
+        # https://github.com/docker/build-push-action/issues/252
+        # https://github.com/moby/buildkit/issues/1896
+      - name: Move cache
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
+...