68 lines
2.6 KiB
Plaintext
68 lines
2.6 KiB
Plaintext
# syntax=docker/dockerfile:1
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ARG SYNAPSE_VERSION=latest
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ARG FROM=matrixdotorg/synapse:$SYNAPSE_VERSION
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# first of all, we create a base image with an nginx which we can copy into the
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# target image. For repeated rebuilds, this is much faster than apt installing
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# each time.
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FROM debian:bullseye-slim AS deps_base
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RUN \
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--mount=type=cache,target=/var/cache/apt,sharing=locked \
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--mount=type=cache,target=/var/lib/apt,sharing=locked \
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apt-get update -qq && \
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DEBIAN_FRONTEND=noninteractive apt-get install -yqq --no-install-recommends \
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redis-server nginx-light
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# Similarly, a base to copy the redis server from.
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#
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# The redis docker image has fewer dynamic libraries than the debian package,
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# which makes it much easier to copy (but we need to make sure we use an image
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# based on the same debian version as the synapse image, to make sure we get
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# the expected version of libc.
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FROM redis:6-bullseye AS redis_base
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# now build the final image, based on the the regular Synapse docker image
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FROM $FROM
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# Install supervisord with pip instead of apt, to avoid installing a second
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# copy of python.
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RUN --mount=type=cache,target=/root/.cache/pip \
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pip install supervisor~=4.2
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RUN mkdir -p /etc/supervisor/conf.d
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# Copy over redis and nginx
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COPY --from=redis_base /usr/local/bin/redis-server /usr/local/bin
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COPY --from=deps_base /usr/sbin/nginx /usr/sbin
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COPY --from=deps_base /usr/share/nginx /usr/share/nginx
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COPY --from=deps_base /usr/lib/nginx /usr/lib/nginx
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COPY --from=deps_base /etc/nginx /etc/nginx
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RUN rm /etc/nginx/sites-enabled/default
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RUN mkdir /var/log/nginx /var/lib/nginx
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RUN chown www-data /var/lib/nginx
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# have nginx log to stderr/out
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RUN ln -sf /dev/stdout /var/log/nginx/access.log
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RUN ln -sf /dev/stderr /var/log/nginx/error.log
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# Copy Synapse worker, nginx and supervisord configuration template files
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COPY ./docker/conf-workers/* /conf/
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# Copy a script to prefix log lines with the supervisor program name
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COPY ./docker/prefix-log /usr/local/bin/
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# Expose nginx listener port
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EXPOSE 8080/tcp
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# A script to read environment variables and create the necessary
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# files to run the desired worker configuration. Will start supervisord.
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COPY ./docker/configure_workers_and_start.py /configure_workers_and_start.py
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ENTRYPOINT ["/configure_workers_and_start.py"]
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# Replace the healthcheck with one which checks *all* the workers. The script
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# is generated by configure_workers_and_start.py.
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HEALTHCHECK --start-period=5s --interval=15s --timeout=5s \
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CMD /bin/sh /healthcheck.sh
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