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# syntax=docker/dockerfile:1
# This dockerfile builds on top of 'docker/Dockerfile-workers' in element-hq/synapse
# by including a built-in postgres instance, as well as setting up the homeserver so
# that it is ready for testing via Complement.
#
# Instructions for building this image from those it depends on is detailed in this guide:
# https://github.com/element-hq/synapse/blob/develop/docker/README-testing.md#testing-with-postgresql-and-single-or-multi-process-synapse
ARG SYNAPSE_VERSION=latest
# This is an intermediate image, to be built locally (not pulled from a registry).
ARG FROM=matrixdotorg/synapse-workers:$SYNAPSE_VERSION
FROM $FROM
# First of all, we copy postgres server from the official postgres image,
# since for repeated rebuilds, this is much faster than apt installing
# postgres each time.
# This trick only works because (a) the Synapse image happens to have all the
# shared libraries that postgres wants, (b) we use a postgres image based on
# the same debian version as Synapse's docker image (so the versions of the
# shared libraries match).
RUN adduser --system --uid 999 postgres --home /var/lib/postgresql
COPY --from=docker.io/library/postgres:13-bookworm /usr/lib/postgresql /usr/lib/postgresql
COPY --from=docker.io/library/postgres:13-bookworm /usr/share/postgresql /usr/share/postgresql
RUN mkdir /var/run/postgresql && chown postgres /var/run/postgresql
ENV PATH="${PATH}:/usr/lib/postgresql/13/bin"
ENV PGDATA=/var/lib/postgresql/data
# We also initialize the database at build time, rather than runtime, so that it's faster to spin up the image.
RUN gosu postgres initdb --locale=C --encoding=UTF-8 --auth-host password
# Configure a password and create a database for Synapse
RUN echo "ALTER USER postgres PASSWORD 'somesecret'" | gosu postgres postgres --single
RUN echo "CREATE DATABASE synapse" | gosu postgres postgres --single
# Extend the shared homeserver config to disable rate-limiting,
# set Complement's static shared secret, enable registration, amongst other
# tweaks to get Synapse ready for testing.
# To do this, we copy the old template out of the way and then include it
# with Jinja2.
RUN mv /conf/shared.yaml.j2 /conf/shared-orig.yaml.j2
COPY conf/workers-shared-extra.yaml.j2 /conf/shared.yaml.j2
WORKDIR /data
COPY conf/postgres.supervisord.conf /etc/supervisor/conf.d/postgres.conf
# Copy the entrypoint
COPY conf/start_for_complement.sh /
# Expose nginx's listener ports
EXPOSE 8008 8448
ENTRYPOINT ["/start_for_complement.sh"]
# Update the healthcheck to have a shorter check interval
HEALTHCHECK --start-period=5s --interval=1s --timeout=1s \
CMD /bin/sh /healthcheck.sh
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