[Unit]
Description=PostgreSQL Database Server - Set major version
Documentation=https://hub.docker.com/_/postgres/
Before=postgresql-update.service postgresql-server.service

# Only start if PostgreSQL has been configured
ConditionPathExists=/etc/quadlets/postgresql/config.env

# Start/stop this unit when the target is started/stopped
PartOf=postgresql.target

[Service]
Restart=no
TimeoutStartSec=30

# These environment variables are sourced to be used by systemd in the Exec* commands
EnvironmentFile=/etc/quadlets/postgresql/config.env

# Skaffold filesystem + fix permissions
ExecStartPre=install -m 0700 -o 70 -g 70 -d /var/lib/quadlets/postgresql

# Set the "latest" symlink to point to the desired major version
ExecStart=ln -sfT ${PG_MAJOR} /var/lib/quadlets/postgresql/latest

# This service is a job - run once to completion
Type=oneshot

[Install]
WantedBy=postgresql.target