feat: adds healtz

Taskfile.yml

@@ -6,7 +6,6 @@ tasks:
     cmds:
       - task: lint
       - task: test
-      - task: docker-build
       - task: docker-local-import
       - task: test-integration
 
@@ -15,7 +14,6 @@ tasks:
       - task: lint
       - task: test
       - task: test-integration
-      - task: docker-build
       - task: docker-publish
 
   docker-build:
@@ -24,6 +22,7 @@ tasks:
 
   docker-local-import:
     cmds:
+      - task: docker-build
       - |
         {{.NIX_CMD_BASE}} \
         skopeo \
@@ -44,6 +43,7 @@ tasks:
         - GITHUB_PASSWORD
         - GIT_TAG
     cmds:
+      - task: docker-build
       - |
         {{.NIX_CMD_BASE}} \
         skopeo \

internal/server/server.go

@@ -28,6 +28,11 @@ func New(c config.Config) *Server {
 	s.logFiles = c.LogFiles
 
 	mux := http.NewServeMux()
+
+	mux.HandleFunc("/healthz", func(w http.ResponseWriter, _ *http.Request) {
+		w.Write([]byte("ok")) //nolint:errcheck
+	})
+
 	mux.HandleFunc("/metrics", s.metrics)
 
 	s.httpServer = &http.Server{

test/integration/integration_test.go

@@ -98,7 +98,8 @@ func TestIntegration(t *testing.T) {
 				Mounts:       vol,
 				Image:        "caddy-log-exporter:latest",
 				ExposedPorts: []string{"2112:2112"},
-				WaitingFor:   wait.ForLog("serving http"),
+				WaitingFor: wait.ForHTTP("http://127.0.0.1:2112/healthz").
+					WithStartupTimeout(5 * time.Minute),
 			},
 		},
 	)