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# Use an official Node.js runtime as a parent image | |
FROM node:16 as builder | |
# Set the working directory | |
WORKDIR /app | |
# Copy package.json and install dependencies | |
COPY package*.json ./ | |
RUN npm install | |
# Copy the rest of the application code | |
COPY . . | |
# Build the React app | |
RUN npm run build | |
# Use an Nginx image to serve the built app | |
FROM nginx:alpine | |
# Set user to root temporarily to fix permissions | |
USER root | |
# Fix permissions for nginx cache and /run directory | |
RUN mkdir -p /var/cache/nginx /run && chmod -R 777 /var/cache/nginx /run | |
# Copy built React files | |
COPY --from=builder /app/build /usr/share/nginx/html | |
# (Optional) Fix Nginx listen port if needed | |
RUN sed -i 's/listen\s\+80;/listen 8080;/' /etc/nginx/conf.d/default.conf | |
# Expose correct port | |
EXPOSE 8080 | |
# Start Nginx | |
CMD ["nginx", "-g", "daemon off;"] | |