Kai Fabian
cc9756624a
Alpine ships uWSGI linked against the most recent Python version, i. e. currently python3.9. The current deployment uses python3.8 though, so whenever our Python version diverges from Alpine's stable version, uWSGI will break (aka fail to run the parser). Switching to installing uWSGI via pip into the pipenv will make sure that the uWSGI Python module's version will always fit our venv.
88 lines
1.6 KiB
Docker
88 lines
1.6 KiB
Docker
ARG DEPLOY_DIR=/opt/om-parser-stw-potsdam-v2
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ARG USERNAME=flaskd
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ARG LISTEN_PORT=3080
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### Shared base container
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FROM python:3.8-alpine as basesys
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ARG DEPLOY_DIR
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ARG USERNAME
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# Install dependencies
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RUN pip install pipenv
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# Add app user
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RUN adduser -D ${USERNAME}
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# Create app folder
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RUN mkdir -p ${DEPLOY_DIR}
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# Enable local venv
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ENV PIPENV_VENV_IN_PROJECT=1
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# Switch to app folder
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WORKDIR ${DEPLOY_DIR}
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# Copy app folder contents
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COPY stw_potsdam/ ./stw_potsdam
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COPY tests ./tests
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COPY Makefile .
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COPY Pipfile .
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COPY Pipfile.lock .
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# Apply app user to app folder
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RUN chown -R ${USERNAME} .
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# Prepare environment
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USER ${USERNAME}
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### Build & test container
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FROM basesys as buildsys
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ARG DEPLOY_DIR
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ARG USERNAME
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# Install required build dependencies
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USER root
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RUN apk add make gcc musl-dev linux-headers python3-dev
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# Install environment
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USER ${USERNAME}
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RUN pipenv install --dev
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# Run tests
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RUN make test
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# Clean up test environment
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RUN rm -rf .venv
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RUN rm -rf ./tests ./Makefile
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# Install production environment
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RUN pipenv install --deploy
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### Production container
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FROM basesys
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ARG DEPLOY_DIR
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ARG LISTEN_PORT
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ARG USERNAME
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# Install dependencies
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USER root
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RUN apk add curl
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# Copy built app
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USER ${USERNAME}
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COPY --from=buildsys ${DEPLOY_DIR}/.venv ${DEPLOY_DIR}/.venv
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WORKDIR ${DEPLOY_DIR}
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# Prepare runtime environment variables
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ENV LISTEN_PORT=${LISTEN_PORT}
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ENV LISTEN=0.0.0.0:${LISTEN_PORT}
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EXPOSE ${LISTEN_PORT}
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CMD pipenv run uwsgi --master --http11-socket $LISTEN --plugins python --protocol uwsgi --wsgi stw_potsdam.views:app --virtualenv ./.venv
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HEALTHCHECK --interval=15s --timeout=3s CMD curl -f http://127.0.0.1:$LISTEN_PORT/health_check || exit 1
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