[version] add version info

Author: capcom6

.air.toml

@@ -4,7 +4,7 @@ tmp_dir = "tmp"
 
 [build]
   bin = "tmp/main.exe"
-  cmd = "go build -o ./tmp/main.exe ./cmd/sms-gateway"
+  cmd = "go build -ldflags='-X github.com/capcom6/sms-gateway/internal/version.AppVersion=dev -X github.com/capcom6/sms-gateway/internal/version.AppRelease=1' -o ./tmp/main.exe ./cmd/sms-gateway"
   delay = 1000
   exclude_dir = ["api", "assets", "tmp", "vendor", "testdata", "tmp", "web"]
   exclude_file = []

.github/workflows/docker-build.yml

@@ -46,11 +46,16 @@ jobs:
           username: ${{ secrets.username }}
           password: ${{ secrets.password }}
 
+      - name: Set APP_VERSION env
+        run: echo APP_VERSION=$(echo ${GITHUB_REF} | rev | cut -d'/' -f 1 | rev ) >> ${GITHUB_ENV}
+      - name: Set APP_RELEASE env
+        run: echo APP_RELEASE=$(( ($(date +%s) - $(date -d "2022-06-15" +%s)) / 86400 )) >> ${GITHUB_ENV}
+
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with:
           file: build/package/Dockerfile
-          build-args: APP=${{ inputs.app-name }}
+          build-args: APP=${{ inputs.app-name }} APP_VERSION=${{ env.APP_VERSION }} APP_RELEASE_ID=${{ env.APP_RELEASE }}
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

build/package/Dockerfile

@@ -2,6 +2,8 @@
 FROM golang:1.22-alpine AS build
 
 ARG APP
+ARG APP_VERSION=1.0.0
+ARG APP_RELEASE_ID=1
 WORKDIR /go/src
 
 # Copy go.mod and go.sum
@@ -15,7 +17,7 @@ COPY . .
 
 # Builds the application as a staticly linked one, to allow it to run on alpine
 # RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -installsuffix cgo -o app .
-RUN CGO_ENABLED=0 go build -a -installsuffix cgo -o app ./cmd/${APP}/main.go
+RUN CGO_ENABLED=0 go build -a -installsuffix cgo -ldflags="-w -s -X github.com/capcom6/${APP}/internal/version.AppVersion=${APP_VERSION} -X github.com/capcom6/${APP}/internal/version.AppRelease=${APP_RELEASE_ID}" -o app ./cmd/${APP}/main.go
 
 # Build MkDocs
 FROM squidfunk/mkdocs-material:9.5.15 AS mkdocs

internal/sms-gateway/handlers/health.go

@@ -2,6 +2,7 @@ package handlers
 
 import (
 	"github.com/capcom6/sms-gateway/internal/sms-gateway/modules/health"
+	"github.com/capcom6/sms-gateway/internal/version"
 	"github.com/capcom6/sms-gateway/pkg/maps"
 	"github.com/capcom6/sms-gateway/pkg/smsgateway"
 	"github.com/gofiber/fiber/v2"
@@ -42,7 +43,9 @@ func (h *healthHandler) getHealth(c *fiber.Ctx) error {
 	}
 
 	res := smsgateway.HealthResponse{
-		Status: smsgateway.HealthStatus(check.Status),
+		Status:    smsgateway.HealthStatus(check.Status),
+		Version:   version.AppVersion,
+		ReleaseID: version.AppReleaseID(),
 		Checks: maps.MapValues(
 			check.Checks,
 			func(c health.CheckDetail) smsgateway.HealthCheck {

internal/version/version.go

@@ -0,0 +1,17 @@
+package version
+
+import "strconv"
+
+const notSet string = "not set"
+
+// these information will be collected when build, by `-ldflags "-X main.appVersion=0.1"`
+var (
+	AppVersion = notSet
+	AppRelease = notSet
+)
+
+func AppReleaseID() int {
+	id, _ := strconv.Atoi(AppRelease)
+
+	return id
+}