new backend changes

new-backend/Dockerfile

@@ -0,0 +1,37 @@
+FROM golang:1.19-alpine AS builder
+
+# Install git and required dependencies
+RUN apk update && apk add --no-cache git
+
+# Set working directory
+WORKDIR /app
+
+# Copy go mod and sum files
+COPY go.mod go.sum* ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application with optimizations
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags="-s -w" -o monaco-backend .
+
+# Use a smaller image for the final container
+FROM alpine:latest
+
+# Install Docker client (required for container-in-container execution)
+RUN apk update && apk add --no-cache docker-cli
+
+# Create a non-root user
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+
+# Copy the binary from builder
+COPY --from=builder /app/monaco-backend /monaco-backend
+
+# Use non-root user
+USER appuser
+
+# Run the binary
+ENTRYPOINT ["/monaco-backend"]