Dockerfile

# syntax=docker/dockerfile:1.4

# 1. For build React app
FROM node:lts AS development

# Set working directory
WORKDIR /app

# 
COPY package.json /app/package.json
COPY package-lock.json /app/package-lock.json

# Same as npm install
RUN npm ci

COPY . /app

ENV CI=true
ENV PORT=3000

CMD [ "npm", "start" ]

FROM development AS build

RUN npm run build


FROM development as dev-envs
RUN <<EOF
apt-get update
apt-get install -y --no-install-recommends git
EOF

RUN <<EOF
useradd -s /bin/bash -m <username>

groupadd docker
usermod -aG docker vscode
EOF
# install Docker tools (cli, buildx, compose)
COPY --from=gloursdocker/docker / /
CMD [ "npm", "start" ]

# 2. For Nginx setup
FROM nginx:alpine

# Copy config nginx
COPY --from=build /app/.nginx/nginx.conf /etc/nginx/conf.d/default.conf

WORKDIR /usr/share/nginx/html

# Remove default nginx static assets
RUN rm -rf ./*

# Copy static assets from builder stage
COPY --from=build /app/build .

# Containers run nginx with global directives and daemon off
ENTRYPOINT ["nginx", "-g", "daemon off;"]