Dockerfile

FROM circleci/node:12.6

# Allow build-time arguments (for, environment variables that need to be encoded into the webpack distribution)
ARG USE_FIXTURES
ARG TRELLIS_BASE_URL=http://localhost:8080
ARG DEFAULT_PROFILE_SCHEMA_VERSION
ARG SINOPIA_GROUP
ARG SINOPIA_URI
ARG SINOPIA_ENV
ARG AWS_COGNITO_DOMAIN
ARG COGNITO_CLIENT_ID
ARG COGNITO_USER_POOL_ID
ARG INDEX_URL
ARG EXPORT_BUCKET_URL
ARG HONEYBADGER_API_KEY
ARG HONEYBADGER_REVISION

RUN echo $TRELLIS_BASE_URL

# Set environment variables from the build args
ENV INDEX_URL ${INDEX_URL}

# This is the directory the user in the circleci/node image can write to
WORKDIR /home/circleci

# Everything that isn't in .dockerignore ships
COPY . .

RUN mkdir dist
RUN mkdir node_modules

# Allow circleci user to run npm build
USER root
RUN /bin/bash -c 'chown -R circleci dist node_modules'

# Build and run app using non-privileged account
USER circleci

# Install dependencies
RUN npm install

# Build the app *within* the container because environment variables are fixed at build-time
RUN npm run build

# Send source map to HB
RUN if [ -n "$HONEYBADGER_API_KEY" ]; then curl https://api.honeybadger.io/v1/source_maps \
  -F api_key=$HONEYBADGER_API_KEY \
  -F revision=$HONEYBADGER_REVISION \
  -F minified_url=$SINOPIA_URI/dist/bundle.js \
  -F source_map=@dist/bundle.js.map \
  -F minified_file=@dist/bundle.js ; fi

# docker daemon maps app's port
EXPOSE 8000

CMD ["npm", "start"]