aswi2022code-of-duty-gitlab/frontend/Dockerfile @ 33ec823a

# STAGE 1 - build the react app # set the base image to build from
# This is the application image from which all other subsequent
# applications run. Alpine Linux is a security-oriented, lightweight #(~5Mb) Linux distribution.
FROM node:alpine as build
# set working directory
# this is the working folder in the container from which the app.   # will be running from
WORKDIR /app

# add the node_modules folder to $PATH
ENV PATH /app/node_modules/.bin:$PATH

# copy package.json file to /app directory for installation prep
COPY ./package.json /app/

# install dependencies
RUN yarn --silent

# copy everything to /app directory
COPY . /app

# build the app
RUN yarn build

# STAGE 2 - build the final image using a nginx web server
# distribution and copy the react build files
FROM nginx:alpine
COPY --from=build /app/build /usr/share/nginx/html

# needed this to make React Router work properly
RUN rm /etc/nginx/conf.d/default.conf
COPY nginx/nginx.conf /etc/nginx/conf.d

# Expose port 80 for HTTP Traffic
EXPOSE 80

# start the nginx web server
CMD ["nginx", "-g", "daemon off;"]