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Rebase custom PG image on official postgres:16 (honors POSTGRES_* env + md5 auth); add timescaledb/postgis via apt
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sirius0xdev 2026-07-07 18:13:40 -04:00
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@ -1,32 +1,18 @@
# Custom arm64 PostgreSQL 16 image with PostGIS 3 + TimescaleDB 2.
# Timescale's published timescaledb-postgis image is amd64-only, so we build
# our own on Debian 12 (arm64). The app only uses standard SQL types (UUID,
# JSON, TSVECTOR, float lat/lon), so pg16 is fully sufficient.
FROM debian:12
ENV DEBIAN_FRONTEND=noninteractive
# Based on the official postgres:16 image so POSTGRES_USER/DB/PASSWORD env
# vars and host-auth (md5) work out of the box. Timescale's published
# timescaledb-postgis image is amd64-only, so we install the extensions here.
FROM postgres:16
# Install TimescaleDB + PostGIS from the respective apt repos.
RUN apt-get update && apt-get install -y --no-install-recommends \
ca-certificates curl gnupg lsb-release && \
install -d /usr/share/postgresql-common/pgdg && \
curl -fsSL -o /usr/share/postgresql-common/pgdg/apt.postgresql.org.asc \
https://www.postgresql.org/media/keys/ACCC4CF8.asc && \
echo "deb [signed-by=/usr/share/postgresql-common/pgdg/apt.postgresql.org.asc] \
https://apt.postgresql.org/pub/repos/apt bookworm-pgdg main" \
> /etc/apt/sources.list.d/pgdg.list && \
curl -fsSL https://packagecloud.io/install/repositories/timescale/timescaledb/script.deb.sh | bash && \
apt-get update && apt-get install -y --no-install-recommends \
postgresql-16 postgresql-16-postgis-3 timescaledb-2-postgresql-16 && \
# load TimescaleDB at startup
sed -ri "s/^#?shared_preload_libraries = .*/shared_preload_libraries = 'timescaledb'/" \
/etc/postgresql/16/main/postgresql.conf && \
postgresql-16-postgis-3 timescaledb-2-postgresql-16 && \
# Load TimescaleDB at startup via a drop-in (keeps official entrypoint intact).
echo "shared_preload_libraries = 'timescaledb'" > /etc/postgresql/16/main/conf.d/timescaledb.conf && \
rm -rf /var/lib/apt/lists/*
# Match the official postgres image layout so volume mounts/behavior are familiar.
VOLUME ["/var/lib/postgresql/data"]
EXPOSE 5432
# Run as the postgres user (uid 999) like the official image.
USER postgres
ENV PGDATA=/var/lib/postgresql/data
ENTRYPOINT ["/usr/lib/postgresql/16/bin/postgres", "-D", "/etc/postgresql/16/main", "-c", "config_file=/etc/postgresql/16/main/postgresql.conf"]
# The official postgres entrypoint remains the CMD and handles
# POSTGRES_USER / POSTGRES_DB / POSTGRES_PASSWORD and pg_hba setup.