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9d9f03001e
This change remains backward compatible, as IPv6 support is disabled by default. Nginx fails to start when an IPv6 `listen` directive is specified on an IPv4-only host, preventing a single configuration from supporting both protocols. To work around this limitation, the Docker image build process now generates a separate copy of the Nginx configuration for IPv6. An environment variable can be used to select either the IPv4 or IPv6 configuration when launching the container. By embedding both configurations during the image build, we avoid making file system changes at runtime — a step toward an immutable filesystem design.
42 lines
1.4 KiB
Docker
42 lines
1.4 KiB
Docker
FROM python:3.12-alpine3.21
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# https://stackoverflow.com/questions/58701233/docker-logs-erroneously-appears-empty-until-container-stops
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ENV PYTHONUNBUFFERED=1
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# Define build argument with default value
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ARG VERSION=dev
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# Set it as an environment variable
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ENV VERSION=$VERSION
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COPY ./requirements.txt /requirements.txt
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COPY ./entrypoint.sh /entrypoint.sh
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COPY ./supervisord.conf /etc/supervisord.conf
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COPY ./nginx.conf /etc/nginx/nginx.conf
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# Generate a copy of the nginx config with IPv6 support.
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RUN sed 's/listen 8000;/listen 8000; listen [::]:8000;/' /etc/nginx/nginx.conf > /etc/nginx/nginx.ipv6.conf
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WORKDIR /yamtrack
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RUN apk add --no-cache nginx shadow \
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&& pip install --no-cache-dir -r /requirements.txt \
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&& pip install --no-cache-dir supervisor==4.2.5 \
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&& rm -rf /root/.cache /tmp/* \
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&& find /usr/local -type d -name __pycache__ -exec rm -rf {} + \
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&& chmod +x /entrypoint.sh \
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# create user abc for later PUID/PGID mapping
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&& useradd -U -M -s /bin/sh abc \
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# Create required nginx directories and set permissions
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&& mkdir -p /var/log/nginx \
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&& mkdir -p /var/lib/nginx/body
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# Django app
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COPY src ./
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RUN python manage.py collectstatic --noinput
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EXPOSE 8000
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CMD ["/entrypoint.sh"]
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HEALTHCHECK --interval=45s --timeout=15s --start-period=30s --retries=5 \
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CMD wget --no-verbose --tries=1 --spider http://127.0.0.1:8000/health/ || exit 1
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