feat: Set up initial Docker Compose environment for client and server with Nginx, Express, MongoDB, and JWT/Google OAuth authentication.

client/Dockerfile

@@ -7,12 +7,15 @@ COPY package*.json ./
 RUN npm install
 
 COPY . .
+ARG REACT_APP_API_URL
+ENV REACT_APP_API_URL=$REACT_APP_API_URL
 RUN npm run build
 
 # Stage 2: Serve the application with Nginx
 FROM nginx:alpine
 
 COPY --from=build /app/build /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
 
 EXPOSE 80