[gemini] feat: add proxy server to fix CORS issue (#512) (#513)

Dockerfile

@@ -1,6 +1,35 @@
+# Stage 1: Build the Node.js server
+FROM node:18-alpine AS builder
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm install
+
+COPY . .
+
+# Stage 2: Create the final Nginx image
 FROM nginx:alpine
+
+# Copy the Node.js server from the builder stage
+COPY --from=builder /app /app
+
+# Copy the static files
 COPY . /usr/share/nginx/html
 RUN rm -f /usr/share/nginx/html/Dockerfile \
           /usr/share/nginx/html/docker-compose.yml \
-          /usr/share/nginx/html/deploy.sh
+          /usr/share/nginx/html/deploy.sh \
+          /usr/share/nginx/html/server.js \
+          /usr/share/nginx/html/package.json \
+          /usr/share/nginx/html/package-lock.json \
+          /usr/share/nginx/html/node_modules
+
+# Copy the Nginx configuration
+COPY nginx.conf /etc/nginx/nginx.conf
+
+# Expose port 80 for Nginx and 3001 for the Node.js server
 EXPOSE 80
+EXPOSE 3001
+
+# Start both Nginx and the Node.js server
+CMD ["sh", "-c", "node /app/server.js & nginx -g 'daemon off;'"]