Create a package to store the version number

.drone.yml

@@ -21,7 +21,7 @@ steps:
   commands:
   - apk add --no-cache git
   - go generate ./...
-  - go build -tags netgo -ldflags '-w -X main.Version=${DRONE_BRANCH}-${DRONE_COMMIT} -X main.build=${DRONE_BUILD_NUMBER}' -o happydeliver-${DRONE_STAGE_OS}-${DRONE_STAGE_ARCH} ./cmd/happyDeliver
+  - go build -tags netgo -ldflags '-w -X git.happydns.org/happyDeliver/internal/version.Version=${DRONE_BRANCH}-${DRONE_COMMIT} -X main.build=${DRONE_BUILD_NUMBER}' -o happydeliver-${DRONE_STAGE_OS}-${DRONE_STAGE_ARCH} ./cmd/happyDeliver
   - ln happydeliver-${DRONE_STAGE_OS}-${DRONE_STAGE_ARCH} happydeliver
   environment:
     CGO_ENABLED: 0
@@ -35,7 +35,7 @@ steps:
   commands:
   - apk add --no-cache git
   - go generate ./...
-  - go build -tags netgo -ldflags '-w -X main.Version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}' -o happydeliver-${DRONE_STAGE_OS}-${DRONE_STAGE_ARCH} ./cmd/happyDeliver/
+  - go build -tags netgo -ldflags '-w -X git.happydns.org/happyDeliver/internal/version.Version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}' -o happydeliver-${DRONE_STAGE_OS}-${DRONE_STAGE_ARCH} ./cmd/happyDeliver/
   - ln happydeliver-${DRONE_STAGE_OS}-${DRONE_STAGE_ARCH} happydeliver
   environment:
     CGO_ENABLED: 0
@@ -47,7 +47,7 @@ steps:
   image: golang:1-alpine
   commands:
   - apk add --no-cache git
-  - go build -tags netgo -ldflags '-w -X "main.Version=${DRONE_BRANCH}-${DRONE_COMMIT}" -X main.build=${DRONE_BUILD_NUMBER}' -o happydeliver-darwin-${DRONE_STAGE_ARCH} ./cmd/happyDeliver/
+  - go build -tags netgo -ldflags '-w -X "git.happydns.org/happyDeliver/internal/version.Version=${DRONE_BRANCH}-${DRONE_COMMIT}" -X main.build=${DRONE_BUILD_NUMBER}' -o happydeliver-darwin-${DRONE_STAGE_ARCH} ./cmd/happyDeliver/
   environment:
     CGO_ENABLED: 0
     GOOS: darwin
@@ -61,7 +61,7 @@ steps:
   image: golang:1-alpine
   commands:
   - apk add --no-cache git
-  - go build -tags netgo -ldflags '-w -X "main.Version=${DRONE_TAG##v}" -X main.build=${DRONE_BUILD_NUMBER}' -o happydeliver-darwin-${DRONE_STAGE_ARCH} ./cmd/happyDeliver/
+  - go build -tags netgo -ldflags '-w -X "git.happydns.org/happyDeliver/internal/version.Version=${DRONE_TAG##v}" -X main.build=${DRONE_BUILD_NUMBER}' -o happydeliver-darwin-${DRONE_STAGE_ARCH} ./cmd/happyDeliver/
   environment:
     CGO_ENABLED: 0
     GOOS: darwin

cmd/happyDeliver/main.go

@@ -29,13 +29,12 @@ import (
 
 	"git.happydns.org/happyDeliver/internal/app"
 	"git.happydns.org/happyDeliver/internal/config"
+	"git.happydns.org/happyDeliver/internal/version"
 )
 
-const version = "0.1.0-dev"
-
 func main() {
 	fmt.Println("happyDeliver - Email Deliverability Testing Platform")
-	fmt.Printf("Version: %s\n", version)
+	fmt.Printf("Version: %s\n", version.Version)
 
 	cfg, err := config.ConsolidateConfig()
 	if err != nil {
@@ -54,7 +53,7 @@ func main() {
 			log.Fatalf("Analyzer error: %v", err)
 		}
 	case "version":
-		fmt.Println(version)
+		fmt.Println(version.Version)
 	default:
 		fmt.Printf("Unknown command: %s\n", command)
 		printUsage()

internal/api/handlers.go

@@ -33,6 +33,7 @@ import (
 	"git.happydns.org/happyDeliver/internal/config"
 	"git.happydns.org/happyDeliver/internal/storage"
 	"git.happydns.org/happyDeliver/internal/utils"
+	"git.happydns.org/happyDeliver/internal/version"
 )
 
 // EmailAnalyzer defines the interface for email analysis
@@ -278,7 +279,7 @@ func (h *APIHandler) GetStatus(c *gin.Context) {
 	mtaStatus := StatusComponentsMtaUp
 	c.JSON(http.StatusOK, Status{
 		Status:  overallStatus,
-		Version: "0.1.0-dev",
+		Version: version.Version,
 		Components: &struct {
 			Database *StatusComponentsDatabase `json:"database,omitempty"`
 			Mta      *StatusComponentsMta      `json:"mta,omitempty"`

internal/version/version.go

@@ -0,0 +1,26 @@
+// This file is part of the happyDeliver (R) project.
+// Copyright (c) 2025 happyDomain
+// Authors: Pierre-Olivier Mercier, et al.
+//
+// This program is offered under a commercial and under the AGPL license.
+// For commercial licensing, contact us at <contact@happydomain.org>.
+//
+// For AGPL licensing:
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package version
+
+// Version is the application version. It can be set at build time using ldflags:
+// go build -ldflags "-X git.happydns.org/happyDeliver/internal/version.Version=1.2.3"
+var Version = "(custom build)"