feat: enable semantic release

- remove unnecessary code

Author: kkweon

.devcontainer/devcontainer.json

@@ -1,37 +1,71 @@
 name: Docker Release
 
 on:
-  # Trigger the workflow on the new 'v*' tag created
   push:
-    branches: [main, feature/*]
-    tags:
-      - "v*"
-  workflow_dispatch:
+    branches:
+      - main
 
 jobs:
-  docker:
+  build_and_release:
     runs-on: ubuntu-latest
+
+    outputs:
+      # Whether a new release was published (true or false)
+      new_release_published: ${{ steps.semantic.outputs.new_release_published }}
+      # Version of the new release. (e.g. 1.3.0)
+      new_release_version: ${{ steps.semantic.outputs.new_release_version }}
+      # Major version of the new release. (e.g. 1)
+      new_release_major_version: ${{ steps.semantic.outputs.new_release_major_version }}
+      # Minor version of the new release. (e.g. 3)
+      new_release_minor_version: ${{ steps.semantic.outputs.new_release_minor_version }}
+      # Patch version of the new release. (e.g. 0)
+      new_release_patch_version: ${{ steps.semantic.outputs.new_release_patch_version }}
+      # The distribution channel on which the last release was initially made available (undefined for the default distribution channel).
+      new_release_channel: ${{ steps.semantic.outputs.new_release_channel }}
+      # The release notes for the new release.
+      new_release_notes: ${{ steps.semantic.outputs.new_release_notes }}
+
     steps:
       - uses: actions/checkout@v2
-
       - uses: actions/setup-go@v2
         with:
           go-version: "1.16"
       - run: cd server && go test -v --race ./...
+      - uses: cycjimmy/semantic-release-action@v2
+        id: semantic
+        with:
+          semantic_version: 15.13.28
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+  docker:
+    runs-on: ubuntu-latest
+
+    if: ${{ needs.build_and_release.new_release_published }}
+
+    needs:
+      - build_and_release
+    steps:
+      - uses: actions/checkout@v2
       - name: Docker meta
         id: docker_meta
         uses: docker/metadata-action@v3
         with:
           images: ghcr.io/codingpot/pr12er
           tags: |
-            type=semver,pattern={{version}}
-            type=sha
+            # <image>:1
+            type=raw,value=${{ needs.build_and_release.outputs.new_release_major_version }}
+            # <image>:1.2
+            type=raw,value=${{ needs.build_and_release.outputs.new_release_major_version }}.${{ needs.build_and_release.outputs.new_release_minor_version }}
+            # <image>:1.2.3
+            type=raw,value=${{ needs.build_and_release.outputs.new_release_version }}
+            # <image>:latest
+            type=raw,value=latest
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
         with:
-          platforms: linux/amd64
+          platforms: all
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
@@ -41,14 +75,14 @@ jobs:
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
-          password: ${{ secrets.GHCR_IO_TOKEN }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push
         uses: docker/build-push-action@v2
         with:
           context: ./server
           file: ./server/deploy/Dockerfile
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.docker_meta.outputs.tags }}
-          labels: ${{ steps.docker_meta.outputs.labels }}
+          labels: ${{ steps.docker_meta.outputs.labels }}

.github/workflows/backend-build.yaml

@@ -1,4 +1,5 @@
-.idea
+.idea/
 .DS_Store
-.vscode
-/client/test/**/*_test.mocks.dart
+.vscode/
+/client/test/**/*_test.mocks.dart
+.devcontainer/

.gitignore

@@ -0,0 +1,10 @@
+{
+  "branches": [
+    "main"
+  ],
+  "plugins": [
+    "@semantic-release/commit-analyzer",
+    "@semantic-release/release-notes-generator",
+    "@semantic-release/github",
+  ]
+}

.releaserc

@@ -18,10 +18,7 @@ import (
 )
 
 func main() {
-	log.WithFields(log.Fields{
-		"Nversion":    env.Nversion,
-		"ServicePort": env.ServicePort,
-	}).Print("gRPC server is listening")
+	log.WithField("ServicePort", env.ServicePort).Print("gRPC server is listening")
 
 	lis, err := net.Listen("tcp", fmt.Sprintf(":%s", env.ServicePort))
 	if err != nil {

server/cmd/server/main.go

@@ -1,24 +1,22 @@
-FROM golang:1.16.4-alpine3.13 AS builder
+FROM golang:1.16-alpine AS builder
 
 RUN apk --no-cache add ca-certificates && GRPC_HEALTH_PROBE_VERSION=v0.4.2 && \
   wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-amd64 && \
   chmod +x /bin/grpc_health_probe
 
-ARG APP_VERSION
-
 RUN apk add upx
 
 WORKDIR /src/
 COPY go.mod .
 COPY go.sum .
 RUN go mod download
 COPY . .
-RUN CGO_ENABLED=0 GOOS=linux go build -a -ldflags "-w -s -X 'github.com/codingpot/pr12er/server.pkg.env.Version=${APP_VERSION}'" -o service cmd/server/main.go
-RUN upx service
+RUN CGO_ENABLED=0 GOOS=linux go build -ldflags "-w -s" -o server cmd/server/main.go
+RUN upx server
 
 FROM gcr.io/distroless/static:nonroot
 
-COPY --from=builder /src/service .
+COPY --from=builder /src/server .
 COPY --from=builder /bin/grpc_health_probe /bin/grpc_health_probe
 
-ENTRYPOINT ["./service"]
+ENTRYPOINT ["./server"]

server/deploy/Dockerfile

@@ -2,24 +2,20 @@ package env
 
 import (
 	"os"
-	"strconv"
 	"strings"
 )
 
 var (
-	Version  = "dev" // nolint:revive
-	Nversion = "pr12er-" + Version
-	Debug, _ = strconv.ParseBool(getEnvVar("DEBUG", "false"))
-
-	ServicePort    = getEnvVar("PR12ER_GRPC_PORT", "9000")
+	// ServicePort is the main port.
+	ServicePort = getEnvVar("PR12ER_GRPC_PORT", "9000")
+	// PrometheusPort is the port for Prometheus metrics (/metrics).
 	PrometheusPort = getEnvVar("PR12ER_PROMETHEUS_PORT", "9092")
 )
 
 func getEnvVar(key, fallbackValue string) string {
-	if val, ok := os.LookupEnv(key); ok {
-		if val != "" {
-			return strings.TrimSpace(val)
-		}
+	val := strings.TrimSpace(os.Getenv(key))
+	if val == "" {
+		return fallbackValue
 	}
-	return fallbackValue
+	return val
 }