Dockerfile

# If building on the Raspberry Pi, set this to 1.
ARG RPI_BUILD

# This is not a real build argument.
ARG APP_FOLDER_ARG=/callblocker

# ==== Webpack Build
FROM node:12.5.0 as build

ARG APP_FOLDER_ARG
ENV APP_FOLDER=${APP_FOLDER_ARG}

# Install deps first to leverage caching.
RUN mkdir -p ${APP_FOLDER}/frontend

WORKDIR ${APP_FOLDER}
COPY package.json package-lock.json .babelrc webpack.config.js .flowconfig ${APP_FOLDER}/
RUN npm install --silent

COPY ./frontend/ ${APP_FOLDER}/frontend/

ARG RPI_BUILD
ENV BUILD_MODE=${RPI_BUILD:+'build-prod-rpi'}

# Builds the react client.
RUN npm run ${BUILD_MODE:-'build-prod-web'}

# ==== Server Assembly
FROM python:3.6-alpine

ARG APP_FOLDER_ARG
ENV APP_FOLDER=${APP_FOLDER_ARG}

RUN apk add --virtual .build-deps \
    --no-cache \
    python3-dev \
    build-base \
    linux-headers \
    pcre-dev

RUN apk add --no-cache pcre postgresql-dev musl-dev mailcap

# Copy requirements first to leverage caching and avoid rebuilding
# wheels every time.
COPY ./requirements.txt .${APP_FOLDER}/requirements.txt

RUN pip install -r ${APP_FOLDER}/requirements.txt

RUN apk del .build-deps && rm -rf /var/cache/apk/*

# Copies the source code.
COPY . ${APP_FOLDER}

# Copies the frontend from the previous build stage.
COPY --from=build ${APP_FOLDER}/frontend/  ${APP_FOLDER}/frontend/

# Wraps up collecting static assets from other apps (e.g. restframework).
WORKDIR ${APP_FOLDER}
RUN python ./manage.py collectstatic --settings conf.settings.base --noinput

# Good to go!
EXPOSE 5000
CMD sh ${APP_FOLDER}/bin/launch.sh