feat: add ci pipeline with docker build

.github/workflows/ca.yaml

@@ -0,0 +1,46 @@
+name: Create and publish a Docker image
+
+on:
+  push:
+    branches:
+      - "main"
+    tags:
+      - "*"
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: docker/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Makefile

@@ -1,11 +1,42 @@
-run: gen
+BINARY_NAME        := skatcounter
+IMAGE_NAME         := ghcr.io/tarow/$(BINARY_NAME)
+TAGS               := latest
+
+
+all: clean install gen tidy build
+
+run:
 	go run main.go
 
+dev:
+	air
+
+build:
+	go build -o bin/$(BINARY_NAME) main.go
+
+clean:
+	rm -f bin/*
+
+install:
+	go mod download
+
+lint:
+	@golangci-lint --version
+	golangci-lint run
+
 tidy:
 	go mod tidy
 
-gen:
-	templ generate
 
-dev: gen
-	air
+docker-build:
+	docker build -f docker/Dockerfile . --tag $(IMAGE_NAME):$(firstword $(TAGS))
+	$(foreach tag,$(filter-out $(firstword $(TAGS)),$(TAGS)),\
+		docker tag $(IMAGE_NAME):$(firstword $(TAGS)) $(IMAGE_NAME):$(tag); \
+	)
+
+docker-push:
+	$(foreach tag, $(TAGS),\
+		docker push $(IMAGE_NAME):$(tag); \
+	)
+
+

docker/Dockerfile

@@ -0,0 +1,22 @@
+FROM golang:1.21.5-alpine as builder
+
+WORKDIR /app
+
+COPY go.mod .
+COPY go.sum .
+RUN go mod download
+
+COPY main.go .
+COPY internal/ internal/
+COPY static/ static/
+COPY templates/ templates/
+
+RUN go build -o skatcounter
+
+FROM alpine:3.18
+
+WORKDIR /app
+COPY --from=builder /app/skatcounter /usr/bin/skatcounter
+
+CMD ["skatcounter"]
+

main.go

@@ -1,11 +1,16 @@
 package main
 
 import (
+	"embed"
+
 	"github.com/labstack/echo/v4"
 	api "github.com/tarow/skat-counter/internal/api"
 	"github.com/tarow/skat-counter/internal/skat"
 )
 
+//go:embed static/*
+var staticAssets embed.FS
+
 func main() {
 	e := echo.New()
 
@@ -20,7 +25,7 @@ type Form struct {
 }
 
 func registerRoutes(e *echo.Echo, handler api.Handler) {
-	e.Static("/static", "./static")
+	e.StaticFS("/static", echo.MustSubFS(staticAssets, "static"))
 	e.GET("/", handler.GetIndex)
 
 	e.POST("/games", handler.CreateGame)