Added ARM support

docker/Dockerfile

@@ -1,32 +1,30 @@
-# Build everything in one stage
-FROM node:18-alpine
+# Use Node.js base image for building frontend
+FROM --platform=$BUILDPLATFORM node:18-alpine AS builder
 
-# Install nginx and dependencies
-RUN apk add --no-cache nginx npm
-
-# Set working directory
+# Install dependencies
+RUN apk add --no-cache npm
 WORKDIR /app
-
-# Copy package files and install dependencies
 COPY package*.json ./
 RUN npm install
 
-# Copy the entire project (frontend and backend)
+# Copy project files and build frontend
 COPY ./ ./
-
-# Build the frontend
 RUN npm run build
 
-# Configure nginx
-COPY docker/nginx.conf /etc/nginx/nginx.conf
+# Final stage with nginx
+FROM --platform=$TARGETPLATFORM nginx:alpine
 
-# Copy built frontend to nginx's web directory
-COPY ./dist /usr/share/nginx/html
+# Copy built frontend from builder stage
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Copy nginx config
+COPY docker/nginx.conf /etc/nginx/nginx.conf
 
 # Expose necessary ports
 EXPOSE 8080
 EXPOSE 8081
 
-# Use entrypoint.sh to run both the backend and nginx
+# Use entrypoint.sh to start backend and nginx
+COPY --from=builder /app/src/backend/entrypoint.sh /app/src/backend/entrypoint.sh
 RUN chmod +x /app/src/backend/entrypoint.sh
 ENTRYPOINT ["/app/src/backend/entrypoint.sh"]