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complement: init postgres DB directly inside the target image (#13819)

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Doing so in the base postgres image doesn't work with buildah because
changes in a declared VOLUME in the Dockerfile is supposed to be
discarded, cf https://docs.docker.com/engine/reference/builder/#volume

Signed-off-by: Mathieu Velten <mathieuv@matrix.org>
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Mathieu Velten 2022-09-16 17:12:45 +02:00 committed by GitHub
parent 74f60cec92
commit 384dca53d6
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2 changed files with 12 additions and 13 deletions
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changelog.d/13819.misc Normal file
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@ -0,0 +1 @@
complement: init postgres DB directly inside the target image instead of the base postgres image to fix building using Buildah.

24
docker/complement/Dockerfile
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@ -17,7 +17,17 @@ ARG SYNAPSE_VERSION=latest
# the same debian version as Synapse's docker image (so the versions of the
# shared libraries match).
FROM postgres:13-bullseye AS postgres_base
# now build the final image, based on the Synapse image.
FROM matrixdotorg/synapse-workers:$SYNAPSE_VERSION
# copy the postgres installation over from the image we built above
RUN adduser --system --uid 999 postgres --home /var/lib/postgresql
COPY --from=postgres:13-bullseye /usr/lib/postgresql /usr/lib/postgresql
COPY --from=postgres:13-bullseye /usr/share/postgresql /usr/share/postgresql
RUN mkdir /var/run/postgresql && chown postgres /var/run/postgresql
ENV PATH="${PATH}:/usr/lib/postgresql/13/bin"
ENV PGDATA=/var/lib/postgresql/data
# initialise the database cluster in /var/lib/postgresql
RUN gosu postgres initdb --locale=C --encoding=UTF-8 --auth-host password
@ -25,18 +35,6 @@ FROM postgres:13-bullseye AS postgres_base
RUN echo "ALTER USER postgres PASSWORD 'somesecret'" | gosu postgres postgres --single
RUN echo "CREATE DATABASE synapse" | gosu postgres postgres --single
# now build the final image, based on the Synapse image.
FROM matrixdotorg/synapse-workers:$SYNAPSE_VERSION
# copy the postgres installation over from the image we built above
RUN adduser --system --uid 999 postgres --home /var/lib/postgresql
COPY --from=postgres_base /var/lib/postgresql /var/lib/postgresql
COPY --from=postgres_base /usr/lib/postgresql /usr/lib/postgresql
COPY --from=postgres_base /usr/share/postgresql /usr/share/postgresql
RUN mkdir /var/run/postgresql && chown postgres /var/run/postgresql
ENV PATH="${PATH}:/usr/lib/postgresql/13/bin"
ENV PGDATA=/var/lib/postgresql/data
# 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.