v1.0.0: health: add a simple healthcheck

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

Dockerfile

@@ -1,5 +1,12 @@
 FROM golang:1.21-alpine AS develop
 
+# Changement du répertoire de travail
+WORKDIR /
+
+RUN apk update && apk add --no-cache curl tar && \
+  curl -O https://gitlab.g3e.fr/api/v4/projects/34/packages/generic/minicurl/v1.0.0/minicurl_linux_amd64.tar.gz && \
+  tar xzvf minicurl_linux_amd64.tar.gz
+
 # Changement du répertoire de travail
 WORKDIR /app
 
@@ -7,6 +14,9 @@ WORKDIR /app
 COPY go.mod go.sum ./
 RUN go mod download && go mod verify
 
+ENV PORT=1222
+HEALTHCHECK --interval=1s --timeout=30s --start-period=5s --retries=3 CMD [ "/minicurl" ]
+
 COPY . .
 
 CMD ["sh", "-c", "echo 'run application' &&  go run ./cmd/"]
@@ -18,7 +28,11 @@ RUN CGO_ENABLED=0 go build -o ./build/app ./cmd/
 FROM scratch AS release
 
 COPY --from=build /app/build/app /exec
+COPY --from=develop /minicurl /minicurl
 
 EXPOSE 1222
 
+ENV PORT=1222
+HEALTHCHECK --interval=1s --timeout=30s --start-period=5s --retries=3 CMD [ "/minicurl" ]
+
 ENTRYPOINT ["/exec"]

cmd/main.go

@@ -23,6 +23,10 @@ func isLoggedIn(c echo.Context) error {
 	return c.NoContent(http.StatusNoContent)
 }
 
+func health(c echo.Context) error {
+	return c.NoContent(http.StatusOK)
+}
+
 func init_database() {
 	var err error
 
@@ -38,6 +42,16 @@ func skip_auth(c echo.Context) bool {
 	if c.Request().Method == "POST" && c.Path() == "/" {
 		return true
 	}
+	if c.Request().Method == "GET" && c.Path() == "/health" {
+		return true
+	}
+	return false
+}
+
+func skip_log(c echo.Context) bool {
+	if c.Request().Method == "GET" && c.Path() == "/health" {
+		return true
+	}
 	return false
 }
 
@@ -50,7 +64,9 @@ func main() {
 	e := echo.New()
 
 	// Middleware
-	e.Use(middleware.Logger())
+	e.Use(middleware.LoggerWithConfig(middleware.LoggerConfig{
+		Skipper: skip_log,
+	}))
 	e.Use(middleware.Recover())
 	e.Use(middleware.CORS())
 	e.Use(lib.AuthMiddleware(skip_auth))
@@ -59,6 +75,7 @@ func main() {
 	e.GET("/", isLoggedIn)
 	e.POST("/", login)
 	e.DELETE("/", logout)
+	e.GET("/health", health)
 
 	// Start server
 	e.Logger.Fatal(e.Start(":1222"))