feat: Switch to postgres

Migrate from MariaDB to PostgreSQL.

Signed-off-by: moson <moson@archlinux.org>

docker/postgres-entrypoint.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+set -eou pipefail
+
+PGDATA=/var/lib/postgres/data
+DATABASE="aurweb"
+
+# Initialize and setup postgres
+if [ ! -f "$PGDATA/../init" ]; then
+    echo "Preparing postgres instance..."
+    touch $PGDATA/../init
+
+    # Init db directory
+    su postgres -c "pg_ctl initdb -D $PGDATA"
+    su postgres -c "echo \"listen_addresses='*'\" >> $PGDATA/postgresql.conf"
+    su postgres -c "echo \"host all all 0.0.0.0/0 scram-sha-256\" >> $PGDATA/pg_hba.conf"
+    install -d -o postgres -g postgres /run/postgresql
+
+    # Start postgres
+    su postgres -c "pg_ctl start -D $PGDATA"
+
+    # Configure database & user
+    echo "Taking care of primary database '$DATABASE'..."
+    su postgres -c "psql -c \"create database $DATABASE;\""
+    su postgres -c "psql -c \"create role aur superuser login password 'aur';\"";
+
+    # Provision database
+    python -m aurweb.initdb 2>/dev/null || /bin/true
+
+    # Stop postgres
+    su postgres -c "pg_ctl stop -D $PGDATA"
+
+fi
+
+exec "$@"