all-in-one/Containers/postgresql/Dockerfile
Zoey 1edb422f3d add docker healthchecks to the docker images
Signed-off-by: Zoey <zoey@z0ey.de>
2022-08-25 15:18:35 +02:00

35 lines
1.1 KiB
Docker

# From https://github.com/docker-library/postgres/blob/master/13/alpine/Dockerfile
FROM postgres:14.5-alpine
RUN apk add --update --no-cache bash openssl shadow netcat-openbsd grep mawk
# We need to use the same gid and uid as on old installations
RUN set -ex; \
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
# Fix default permissions
RUN set -ex; \
chown -R postgres:postgres /var/lib/postgresql; \
chown -R postgres:postgres /var/run/postgresql; \
chown -R postgres:postgres "$PGDATA"
COPY start.sh /usr/bin/
COPY init-user-db.sh /docker-entrypoint-initdb.d/
RUN chmod +x /usr/bin/start.sh; \
chmod +xr /docker-entrypoint-initdb.d/init-user-db.sh
RUN mkdir /mnt/data; \
chown postgres:postgres /mnt/data;
VOLUME /mnt/data
# Give root a random password
RUN echo "root:$(openssl rand -base64 12)" | chpasswd
USER postgres
ENTRYPOINT ["start.sh"]
HEALTHCHECK CMD psql -d "postgresql://$POSTGRES_USER:$POSTGRES_PASSWORD@localhost:5432/$POSTGRES_DB" -c "select now()" || exit 1