Dockerfile: build backend and frontend into container (#40)

* Create an auto-deploy file

* feat: Add frontend static serving to backend

* Full stack docker provision file

* fix: Remove invalid placeholder keys from GitHub Actions workflow

* fix: Use correct Dockerfile with static file serving for deployment

* remove unused files

* Update cmd/server/main.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update Dockerfile

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Ilia Beliakov <ilia.beliakov@sefe.eu>
Co-authored-by: Victor Buzin <buzin.victor@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 4 people

Dockerfile

@@ -1,4 +1,23 @@
-FROM golang:1.24-alpine AS builder
+# Stage 1: Build Frontend (Vue.js)
+FROM node:18-alpine AS frontend-builder
+
+WORKDIR /app
+
+# Copy frontend package files
+COPY web/package*.json ./
+RUN npm install
+
+# Copy frontend source
+COPY web/ ./
+
+# Build frontend for production
+RUN npm run build
+
+# Verify build output
+RUN test -d /app/dist || (echo "ERROR: dist not found!" && exit 1)
+
+# Stage 2: Build Backend (Go)
+FROM golang:1.24-alpine AS backend-builder
 
 WORKDIR /app
 
@@ -12,12 +31,13 @@ COPY . .
 # Build
 RUN CGO_ENABLED=0 GOOS=linux go build -o /mcp-server ./cmd/server
 
+# Stage 3: Final production image
 FROM alpine:latest
 
 WORKDIR /app
 
-# Copy binary
-COPY --from=builder /mcp-server .
+# Copy backend binary
+COPY --from=backend-builder /mcp-server .
 
 # Copy migrations
 COPY migrations ./migrations
@@ -26,6 +46,9 @@ COPY migrations ./migrations
 COPY *.md ./
 COPY docs ./docs
 
+# Copy frontend build (static files)
+COPY --from=frontend-builder /app/dist ./web/dist
+
 EXPOSE 8080
 
 CMD ["./mcp-server"]

cmd/server/main.go

@@ -143,7 +143,27 @@ func main() {
 	// WebSocket
 	r.HandleFunc("/ws", wsHandler.HandleWebSocket)
 
-	// MCP Protocol endpoint (root level for VS Code)
+	// Serve static files from web/dist (if exists) - BEFORE catch-all routes
+	distDir := "./web/dist"
+	if _, err := os.Stat(distDir); err == nil {
+		log.Println("Serving frontend from ./web/dist")
+		fs := http.FileServer(http.Dir(distDir))
+		r.PathPrefix("/").Handler(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+			// Try to serve the requested file
+			path := distDir + req.URL.Path
+			if _, err := os.Stat(path); os.IsNotExist(err) {
+				// File doesn't exist, serve index.html for SPA routing
+				http.ServeFile(w, req, distDir+"/index.html")
+				return
+			}
+			// File exists, serve it
+			fs.ServeHTTP(w, req)
+		}))
+	} else {
+		log.Println("Frontend not found at ./web/dist - serving backend only")
+	}
+
+	// MCP Protocol endpoint (root level for VS Code) - AFTER static files
 	r.HandleFunc("/", mcpHandler.HandleMCP).Methods("GET", "POST", "OPTIONS")
 	r.HandleFunc("/mcp", mcpHandler.HandleMCP).Methods("GET", "POST", "OPTIONS")
 	r.HandleFunc("/mcp/message", mcpHandler.HandleMCP).Methods("POST", "OPTIONS")