pavel/nats-scheduler
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pavel
2025-10-28 05:39:51 +02:00
parent 34d32ec5cb
commit 5e0a19b810
3 changed files with 12 additions and 7 deletions
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15
Dockerfile
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@@ -3,14 +3,19 @@ FROM ubuntu:24.04
ENV DEBIAN_FRONTEND=noninteractive ENV DEBIAN_FRONTEND=noninteractive
ENV APP_DIR=/opt/containers/nats-registration-listener ENV APP_DIR=/opt/containers/nats-registration-listener
ENV DATA_DIR=${APP_DIR}/data ENV DATA_DIR=${APP_DIR}/data
# venv path and ensure it’s first on PATH for runtime & build steps
ENV VENV_PATH=/opt/venv
ENV PATH=${VENV_PATH}/bin:${PATH}
# Minimal deps + Python + dos2unix for CRLF→LF # Minimal deps + Python + venv + dos2unix for CRLF→LF
RUN apt-get update && apt-get install -y --no-install-recommends \ RUN apt-get update && apt-get install -y --no-install-recommends \
bash curl jq ca-certificates tini python3 python3-pip dos2unix \ bash curl jq ca-certificates tini python3 python3-venv python3-pip dos2unix \
&& rm -rf /var/lib/apt/lists/* && rm -rf /var/lib/apt/lists/*
# Python deps # Create a virtual environment and install python deps inside it
RUN pip3 install --no-cache-dir --upgrade nats-py RUN python3 -m venv ${VENV_PATH} \
&& python -m pip install --no-cache-dir --upgrade pip \
&& python -m pip install --no-cache-dir --upgrade nats-py
# App payload (immutable inside image) # App payload (immutable inside image)
RUN mkdir -p ${APP_DIR}/app/bin RUN mkdir -p ${APP_DIR}/app/bin
@@ -19,7 +24,7 @@ COPY files/entrypoint.sh /usr/local/bin/nats-registration-entrypoint
COPY files/healthcheck.sh /usr/local/bin/nats-registration-healthcheck COPY files/healthcheck.sh /usr/local/bin/nats-registration-healthcheck
COPY files/nats_registration_listener.py /usr/local/bin/nats_registration_listener.py COPY files/nats_registration_listener.py /usr/local/bin/nats_registration_listener.py
# Normalize line endings (in case files came from Windows) and set exec bits # Normalize line endings & set exec bits (Windows-safe)
RUN dos2unix /usr/local/bin/nats-registration-entrypoint \ RUN dos2unix /usr/local/bin/nats-registration-entrypoint \
/usr/local/bin/nats-registration-healthcheck \ /usr/local/bin/nats-registration-healthcheck \
${APP_DIR}/app/bin/nats-registration-listener.sh \ ${APP_DIR}/app/bin/nats-registration-listener.sh \

2
files/entrypoint.sh
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@@ -5,7 +5,7 @@ log(){ echo "[nats-registration][entrypoint] $*"; }
err(){ echo "[nats-registration][entrypoint][ERROR] $*" >&2; } err(){ echo "[nats-registration][entrypoint][ERROR] $*" >&2; }
# Sanity: tools # Sanity: tools
for bin in curl jq python3; do +for bin in curl jq python; do
command -v "$bin" >/dev/null 2>&1 || { err "Missing $bin"; exit 2; } command -v "$bin" >/dev/null 2>&1 || { err "Missing $bin"; exit 2; }
done done

2
files/nats-registration-listener.sh
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@@ -57,4 +57,4 @@ if [[ -n "${PRINT_RAW:-}" ]]; then
esac esac
fi fi
exec python3 /usr/local/bin/nats_registration_listener.py "${args[@]}" exec python /usr/local/bin/nats_registration_listener.py "${args[@]}"