all-in-one/Containers/postgresql/Dockerfile
Richard Steinmetz 8027a7e5ec
fix: remove unused go binaries from redis and postgresql images
Both binaries gosu and su-exec are not used in our entrypoints.

Signed-off-by: Richard Steinmetz <richard@steinmetz.cloud>
2024-07-11 18:22:39 +02:00

46 lines
1.3 KiB
Docker

# syntax=docker/dockerfile:latest
# From https://github.com/docker-library/postgres/blob/master/15/alpine/Dockerfile
FROM postgres:16.3-alpine
COPY --chmod=775 start.sh /start.sh
COPY --chmod=775 healthcheck.sh /healthcheck.sh
COPY --chmod=775 init-user-db.sh /docker-entrypoint-initdb.d/init-user-db.sh
RUN set -ex; \
apk upgrade --no-cache -a; \
apk add --no-cache \
bash \
openssl \
shadow \
grep; \
\
# We need to use the same gid and uid as on old installations
deluser postgres; \
groupmod -g 9999 ping; \
addgroup -g 999 -S postgres; \
adduser -u 999 -S -D -G postgres -H -h /var/lib/postgresql -s /bin/sh postgres; \
apk del --no-cache shadow; \
\
# Fix default permissions
chown -R postgres:postgres /var/lib/postgresql; \
chown -R postgres:postgres /var/run/postgresql; \
chmod -R 777 /var/run/postgresql; \
chown -R postgres:postgres "$PGDATA"; \
\
mkdir /mnt/data; \
chown postgres:postgres /mnt/data; \
\
# Give root a random password
echo "root:$(openssl rand -base64 12)" | chpasswd; \
apk --no-cache del openssl; \
\
# Get rid of unused binaries
rm /usr/local/bin/gosu /usr/local/bin/su-exec;
VOLUME /mnt/data
USER postgres
ENTRYPOINT ["/start.sh"]
HEALTHCHECK CMD /healthcheck.sh
LABEL com.centurylinklabs.watchtower.enable="false"