chore: update Dockerfile and add health check for storage service

apps/backend/Dockerfile

@@ -1,20 +1,11 @@
 # Start from the latest golang base image
-FROM golang:1.24-bullseye AS builder
+FROM golang:1.24-alpine AS builder
 
-# Set the Current Working Directory inside the container
 WORKDIR /app
-
-# Copy go mod and sum files
 COPY go.mod go.sum ./
-
-# Download all dependencies. Dependencies will be cached if the go.mod and go.sum files are not changed
 RUN go mod download
-
-# Copy the source from the current directory to the Working Directory inside the container
 COPY . .
-
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags="-w -s" -trimpath -o main .
-# Build the Go app
-RUN CGO_ENABLED=0 GOOS=linux go build -o main .
 
 # Start a new stage from alpine:latest
 FROM alpine:latest  AS runner
@@ -29,7 +20,8 @@ ARG CONCURRENT_IMAGES
 ARG STORAGE_URL
 ARG STORAGE_TOKEN
 
-RUN apk add --no-cache ffmpeg ca-certificates libc6-compat
+RUN apk add --no-cache ca-certificates ffmpeg curl libwebp-tools
+
 ENV GOMEMLIMIT=2750MiB
 ENV GOGC=100
 ENV PGHOST=$PGHOST
@@ -46,20 +38,20 @@ WORKDIR /app
 
 # Copy the Pre-built binary file from the previous stage
 COPY --from=builder /app/main /app/.
-COPY --from=builder /app/public /app/public
 COPY ./test.jpg /app/test.jpg
 COPY ./scripts /app/scripts
 COPY ./categorie.xml /app/categorie.xml
 COPY ./caratteristiche.xml /app/caratteristiche.xml
 RUN chmod +x /app/scripts/*.sh
 
-#COPY --from=builder /app/.env /app/.env
+RUN mkdir -p /app/.bin/webp \
-# create folders 
+    && ln -s /usr/bin/cwebp /app/.bin/webp/cwebp \
-RUN mkdir images
+    && ln -s /usr/bin/dwebp /app/.bin/webp/dwebp \
-RUN mkdir videos
+    && ln -s /usr/bin/gif2webp /app/.bin/webp/gif2webp \
-RUN mkdir failed_requests
+    && ln -s /usr/bin/img2webp /app/.bin/webp/img2webp \
+    && ln -s /usr/bin/webpmux /app/.bin/webp/webpmux
 
-RUN apk add curl
+RUN mkdir -p images videos failed_requests
 
 # Expose port 1323 to the outside world
 EXPOSE 1323

apps/backend/public/views/main.html

@@ -90,7 +90,7 @@
 
                 </div>
                 <div class="element">
-                    <a href="/health" class="button" style="background-color: green;">Health DB</a>
+                    <a href="/health" class="button" style="background-color: green;">Health Check</a>
 
                 </div>
             </div>

apps/backend/server.go

@@ -79,7 +79,15 @@ func (s *Server) SetupRoutes() *echo.Echo {
 	})
 	e.GET("/health", func(c echo.Context) error {
 		h := queries.HealthCheck()
-		return c.String(http.StatusOK, fmt.Sprintf("DB Connection: %v", h))
+
+		s_error := HealthCheckStorage()
+		var s string
+		if s_error != nil {
+			s = s_error.Error()
+		} else {
+			s = "OK"
+		}
+		return c.JSONPretty(http.StatusOK, fmt.Sprintf("DB Connection: %v, Storage Connection: %v", h, s), "  ")
 	})
 
 	// MIOGEST ROUTES

apps/backend/storage.go

@@ -14,6 +14,18 @@ import (
 	"time"
 )
 
+func HealthCheckStorage() error {
+	resp, err := http.Get(config.Cfg.Storage.Endpoint + "/health")
+	if err != nil {
+		return fmt.Errorf("storage health check failed: %w", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("storage health check failed: %s", resp.Status)
+	}
+	return nil
+}
+
 func DeleteFile(id string) error {
 	req, err := http.NewRequest("DELETE", config.Cfg.Storage.Endpoint+"/delete/"+id+"?token="+config.Cfg.Storage.Token, nil)
 	if err != nil {

apps/backend/test.yml

@@ -0,0 +1,19 @@
+services:
+
+  backend:
+    image: "test:latest"
+    ports:
+      - "1323:1323"
+    restart: unless-stopped
+    environment:
+      STORAGE_URL: http://host.docker.internal:8080
+      STORAGE_TOKEN: "test"
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_DB: ${POSTGRES_DB}
+      PGHOST: "host.docker.internal"
+      PGPORT: "5433"
+      IMAGEOPTION: "true"
+      CONCURRENT_IMAGES: ${CONCURRENT_IMAGES}
+
+