✨ Display version and commit at start

Author: gwennlbh

.gitlab-ci.yml

@@ -22,6 +22,8 @@
           --frontend=dockerfile.v0 \
           --local context=. \
           --local dockerfile=. \
+          --opt build-arg:VERSION=$1 \
+          --opt build-arg:COMMIT=$CI_COMMIT_SHA \
           --output type=image,name=$CI_REGISTRY_IMAGE:$1,push=true
       }
 

Dockerfile

@@ -17,8 +17,10 @@ RUN go mod download
 # Copy the source code into the container
 COPY . .
 
+ARG VERSION=dev
+
 # Build the Go application
-RUN go build -o automirror .
+RUN go build --ldflags "-X 'main.Version=$VERSION' -X 'main.Commit=$COMMIT'" -o automirror .
 
 # Use a minimal base image to run the app
 FROM alpine:3.21

main.go

@@ -22,6 +22,9 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
+var Version string
+var Commit string
+
 type MirrorDefaults struct {
 	Except    []string          `json:"except,omitempty"`
 	Only      []string          `json:"only,omitempty"`
@@ -589,6 +592,8 @@ func main() {
 		return
 	}
 
+	ll.Info("Starting automirror v%s (%s)", Version, Commit)
+
 	err := loadEnv()
 	if err != nil {
 		fmt.Println("Error loading environment variables:", err)