49 lines
2.3 KiB
Docker
49 lines
2.3 KiB
Docker
# Simpler base: Debian slim + Python + pip out of the box
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FROM python:3.12-slim
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ENV DEBIAN_FRONTEND=noninteractive
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ENV APP_DIR=/opt/containers/nats-registration-listener
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ENV DATA_DIR=${APP_DIR}/data
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ENV PATH=/usr/local/bin:$PATH
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# Minimal tools we actually use:
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# - tini: pid1
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# - curl: optional for TLS_CA_URL
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# - dos2unix: fix CRLF if committed from Windows
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# (jq is optional; if you don't need it, remove it)
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RUN apt-get update && apt-get install -y --no-install-recommends \
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tini curl dos2unix \
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&& rm -rf /var/lib/apt/lists/*
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RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates tini curl dos2unix \
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&& rm -rf /var/lib/apt/lists/*
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# Python deps (no venv needed on this base image)
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RUN python -m pip install --no-cache-dir --upgrade pip nats-py
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# App payload (immutable inside image)
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RUN mkdir -p ${APP_DIR}/app/bin
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COPY files/nats-registration-listener.sh ${APP_DIR}/app/bin/nats-registration-listener.sh
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COPY files/entrypoint.sh /usr/local/bin/nats-registration-entrypoint
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COPY files/healthcheck.sh /usr/local/bin/nats-registration-healthcheck
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COPY files/nats_registration_listener.py /usr/local/bin/nats_registration_listener.py
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# Normalize line endings (CRLF/BOM safe) and set exec bits
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RUN sed -i '1s/^\xEF\xBB\xBF//' /usr/local/bin/nats-registration-entrypoint && \
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sed -i '1s/^\xEF\xBB\xBF//' /usr/local/bin/nats-registration-healthcheck && \
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sed -i '1s/^\xEF\xBB\xBF//' /opt/containers/nats-registration-listener/app/bin/nats-registration-listener.sh && \
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sed -i '1s/^\xEF\xBB\xBF//' /usr/local/bin/nats_registration_listener.py && \
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dos2unix /usr/local/bin/nats-registration-entrypoint \
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/usr/local/bin/nats-registration-healthcheck \
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/opt/containers/nats-registration-listener/app/bin/nats-registration-listener.sh \
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/usr/local/bin/nats_registration_listener.py && \
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chmod +x /usr/local/bin/nats-registration-entrypoint \
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/usr/local/bin/nats-registration-healthcheck \
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/opt/containers/nats-registration-listener/app/bin/nats-registration-listener.sh
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WORKDIR ${APP_DIR}/app
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# Run via bash explicitly to avoid any shebang weirdness
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ENTRYPOINT ["/usr/bin/tini", "--", "/bin/bash", "-lc", "/usr/local/bin/nats-registration-entrypoint"]
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CMD ["/opt/containers/nats-registration-listener/app/bin/nats-registration-listener.sh"]
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