Dockerfile

## Development
FROM node:16-alpine AS development
ENV NODE_ENV development

# Add a work directory
WORKDIR /app

# Cache and Install dependencies
COPY package.json .
COPY yarn.lock .

RUN yarn install

# Copy app files
COPY . .

# Expose port
EXPOSE 3000

# Start the app
CMD [ "yarn", "dev" ]

## Production
FROM node:16-alpine AS builder

# Add a work directory
WORKDIR /app

# Cache and Install dependencies
COPY package.json .
COPY yarn.lock .

RUN yarn install

# Copy app files
COPY . .

# Build the app
RUN yarn run build

# Bundle static assets with nginx
FROM nginx:1-alpine as production

# Copy built assets from builder
COPY --from=builder /app/build /usr/share/nginx/html

# Add your nginx.conf
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Expose port
EXPOSE 80

# Start nginx
CMD ["nginx", "-g", "daemon off;"]