entrypoint.sh

#!/bin/bash
set -e

# shellcheck source=runtime/functions
source "${PG_APP_HOME}/functions"

[[ ${DEBUG} == true ]] && set -x

# allow arguments to be passed to postgres
if [[ ${1:0:1} = '-' ]]; then
  EXTRA_ARGS="$@"
  set --
elif [[ ${1} == postgres || ${1} == $(command -v postgres) ]]; then
  EXTRA_ARGS="${@:2}"
  set --
fi

# default behaviour is to launch postgres
if [[ -z ${1} ]]; then
  map_uidgid

  create_datadir
  create_certdir
  create_logdir
  create_rundir

  set_resolvconf_perms

  configure_postgresql

  echo "Starting PostgreSQL ${PG_VERSION}..."
  exec start-stop-daemon --start --chuid "${PG_USER}:${PG_USER}" \
    --exec "${PG_BINDIR}/postgres" -- -D "${PG_DATADIR}" ${EXTRA_ARGS}
else
  exec "$@"
fi