ci: consolidate to single workflow and add Docker layer caching; dev: optimize Dockerfile.dev for cache

.github/workflows/ci.yml

@@ -6,41 +6,62 @@ on:
       - main
   pull_request:
     branches:
-      - main
+      - "**"
 
 jobs:
-  build:
+  checks:
     runs-on: ubuntu-latest
     env:
-      GO111MODULE: on
-
+      NAME: rentease
+      PORT: 8000
+      DB_USER: ci
+      DB_NAME: villafleurie
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
+      - name: Checkout
+        uses: actions/checkout@v4
 
-      - name: Set up Go
-        uses: actions/setup-go@v5
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build dev image (cached)
+        uses: docker/build-push-action@v6
         with:
-          go-version: 1.23
+          context: .
+          file: Dockerfile.dev
+          tags: ${{ env.NAME }}:dev
+          load: true
+          cache-from: type=gha,scope=dev
+          cache-to: type=gha,scope=dev,mode=max
 
-      - name: Install dependencies
+      - name: Start dev container (background)
         run: |
-          go mod download
+          docker run -d \
+            --name ${NAME} \
+            -v "$GITHUB_WORKSPACE":/app \
+            -v /app/tmp \
+            ${NAME}:dev sleep infinity
 
-      - name: Lint code
+      - name: Make format
+        run: make format
+
+      - name: Make lint
+        run: make lint
+
+      - name: Make test
+        run: make test
+
+      - name: Stop container
+        if: always()
         run: |
-          go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
-          golangci-lint run
+          docker logs ${NAME} || true
+          docker stop ${NAME} || true
 
-      - name: Run tests
-        run: |
-          go test ./...
-
-      # - name: Run Gosec Security Scanner
-      #   uses: securego/gosec@master
-      #   with:
-      #     args: ./...
-
-      - name: Build Docker image
-        run: |
-          docker build -t rentease .
+      - name: Build production image (cached, push only)
+        if: github.event_name == 'push'
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: Dockerfile
+          tags: ${{ env.NAME }}:latest
+          cache-from: type=gha,scope=prod
+          cache-to: type=gha,scope=prod,mode=max

Dockerfile.dev

@@ -2,19 +2,24 @@
 FROM golang:1.24-alpine AS builder
 WORKDIR /app
 
-RUN apk update && apk add --no-cache build-base
+RUN apk add --no-cache build-base
 
+# Install tooling early so it stays cached across source changes
+RUN go install github.com/air-verse/air@latest \
+  && go install github.com/a-h/templ/cmd/templ@latest
+
+# Leverage module cache
 COPY go.mod go.sum ./
-RUN go mod download
+RUN --mount=type=cache,target=/go/pkg/mod \
+    go mod download
 
+# Copy the rest of the sources
 COPY . .
 
-RUN go build -ldflags="-s -w" -o rentease main.go
-
-# Install air and templ for live reload and templating in dev
-RUN go install github.com/air-verse/air@latest \
-  && go install github.com/a-h/templ/cmd/templ@latest \
-  && rm -rf /go/pkg/mod /root/.cache/go-build
+# Build once (helps verify builds and speeds CI with cache)
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg/mod \
+    go build -ldflags="-s -w" -o rentease main.go
 
 # ----------- Dev Stage -----------
 FROM golang:1.24-alpine AS dev