ci: add docker, static build/release configs

.github/dependabot.yaml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/release.yaml

@@ -0,0 +1,100 @@
+name: release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v2
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2        
+
+    - name:  Check out repo
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+
+    - name: Cache Docker layers
+      uses: actions/cache@v3
+      with:
+        path: /tmp/.buildx-cache
+        key: ${{ runner.os }}-buildx-${{ github.sha }}
+        restore-keys: |
+          ${{ runner.os }}-buildx-      
+
+    - name: Login to GHCR Docker registry
+      uses: docker/login-action@v1
+      with: 
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Set outputs
+      run: |
+        echo "RELEASE_TAG=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV \
+        && echo "RELEASE_SHORT_COMMIT=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
+
+    - name: Build and push image
+      uses: docker/build-push-action@v2
+      with:
+        context: ./
+        file: ./Dockerfile
+        platforms: linux/amd64
+        push: true
+        build-args: |
+          BUILD_COMMIT=${{ env.RELEASE_SHORT_COMMIT }}        
+        cache-from: type=local,src=/tmp/.buildx-cache
+        cache-to: type=local,dest=/tmp/.buildx-cache
+        tags: |
+          ghcr.io/grassrootseconomics/farmstar-survey-backend/farmstar-survey-backend:latest
+          ghcr.io/grassrootseconomics/farmstar-survey-backend/farmstar-survey-backend:${{ env.RELEASE_TAG }}
+
+  goreleaser:
+    runs-on: ubuntu-latest
+    container:
+      image: goreleaser/goreleaser-cross
+    environment: build
+
+    steps:
+
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - uses: actions/cache@v3
+        with:
+          path: |
+            ~/go/pkg/mod
+            ~/.cache/go-build
+            ~/Library/Caches/go-build
+            %LocalAppData%\go-build
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-          
+
+      - name: Workaround Git Security Warning
+        run: |
+          # Workaround a bug in github actions:
+          # https://github.com/actions/runner-images/issues/6775.
+          git config --global --add safe.directory "$GITHUB_WORKSPACE"          
+
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: 'stable'
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}          

.goreleaser

@@ -0,0 +1,17 @@
+builds:
+  - id: linux-amd64
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+    goarch:
+      - amd64
+    main: ./cmd/farmstar
+    ldflags:
+      - -s -w
+
+archives:
+  - format: tar.gz
+    files:
+      - LICENSE
+      - config.toml