Add build optimization flags to Makefile, CI, and e2e test helper (#550)

* Add build optimization flags to Makefile, CI, and e2e test helper

Author: Copilot

.github/workflows/test.yml

@@ -64,7 +64,9 @@ jobs:
 
       - name: Build pipeleek binary for e2e tests (Windows)
         if: runner.os == 'Windows'
-        run: go build -o pipeleek.exe ./cmd/pipeleek
+        env:
+          CGO_ENABLED: 0
+        run: go build -trimpath -ldflags="-s -w" -o pipeleek.exe ./cmd/pipeleek
 
       - name: Run e2e tests (Linux)
         if: runner.os == 'Linux'

Makefile

@@ -21,35 +21,38 @@ help:
 	@echo "  make serve-docs       - Generate and serve CLI documentation"
 	@echo "  make clean            - Remove built artifacts"
 
+# Build flags to reduce binary size (strip symbols, debug info, and file paths)
+GO_BUILD_FLAGS = -trimpath -ldflags="-s -w"
+
 # Build the main pipeleek binary
 build:
 	@echo "Building pipeleek..."
-	CGO_ENABLED=0 go build -o pipeleek ./cmd/pipeleek
+	CGO_ENABLED=0 go build $(GO_BUILD_FLAGS) -o pipeleek ./cmd/pipeleek
 
 # Build GitLab-specific binary
 build-gitlab:
 	@echo "Building pipeleek-gitlab..."
-	CGO_ENABLED=0 go build -o pipeleek-gitlab ./cmd/pipeleek-gitlab
+	CGO_ENABLED=0 go build $(GO_BUILD_FLAGS) -o pipeleek-gitlab ./cmd/pipeleek-gitlab
 
 # Build GitHub-specific binary
 build-github:
 	@echo "Building pipeleek-github..."
-	CGO_ENABLED=0 go build -o pipeleek-github ./cmd/pipeleek-github
+	CGO_ENABLED=0 go build $(GO_BUILD_FLAGS) -o pipeleek-github ./cmd/pipeleek-github
 
 # Build BitBucket-specific binary
 build-bitbucket:
 	@echo "Building pipeleek-bitbucket..."
-	CGO_ENABLED=0 go build -o pipeleek-bitbucket ./cmd/pipeleek-bitbucket
+	CGO_ENABLED=0 go build $(GO_BUILD_FLAGS) -o pipeleek-bitbucket ./cmd/pipeleek-bitbucket
 
 # Build Azure DevOps-specific binary
 build-devops:
 	@echo "Building pipeleek-devops..."
-	CGO_ENABLED=0 go build -o pipeleek-devops ./cmd/pipeleek-devops
+	CGO_ENABLED=0 go build $(GO_BUILD_FLAGS) -o pipeleek-devops ./cmd/pipeleek-devops
 
 # Build Gitea-specific binary
 build-gitea:
 	@echo "Building pipeleek-gitea..."
-	CGO_ENABLED=0 go build -o pipeleek-gitea ./cmd/pipeleek-gitea
+	CGO_ENABLED=0 go build $(GO_BUILD_FLAGS) -o pipeleek-gitea ./cmd/pipeleek-gitea
 
 # Build all binaries
 build-all: build build-gitlab build-github build-bitbucket build-devops build-gitea

tests/e2e/internal/testutil/testutil.go

@@ -159,9 +159,20 @@ var (
 )
 
 func buildBinary(moduleDir, outputPath string) error {
-	cmd := exec.Command("go", "build", "-o", outputPath, "./cmd/pipeleek")
+	cmd := exec.Command("go", "build", "-trimpath", "-ldflags=-s -w", "-o", outputPath, "./cmd/pipeleek")
 	cmd.Dir = moduleDir
-	cmd.Env = os.Environ()
+
+	// Ensure CGO is disabled so the e2e-built binary matches Makefile/CI builds.
+	env := os.Environ()
+	filteredEnv := make([]string, 0, len(env)+1)
+	for _, kv := range env {
+		if strings.HasPrefix(kv, "CGO_ENABLED=") {
+			continue
+		}
+		filteredEnv = append(filteredEnv, kv)
+	}
+	filteredEnv = append(filteredEnv, "CGO_ENABLED=0")
+	cmd.Env = filteredEnv
 	return cmd.Run()
 }