feat: add PostgreSQL + entrypoint, Python, uv, pnpm

entrypoint.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+
+PGDATA="/var/lib/postgresql/data"
+PGLOG="/var/log/postgresql.log"
+
+if [ ! -d "$PGDATA" ] || [ -z "$(ls -A "$PGDATA" 2>/dev/null)" ]; then
+    mkdir -p /run/postgresql
+    chown postgres:postgres /run/postgresql
+    su - postgres -c "initdb -D $PGDATA"
+    su - postgres -c "pg_ctl -D $PGDATA -l $PGLOG start"
+    su - postgres -c "psql -c \"CREATE USER remynd WITH PASSWORD 'remynd';\"" || true
+    su - postgres -c "psql -c \"CREATE DATABASE remynd_dev OWNER remynd;\"" || true
+    su - postgres -c "psql -d remynd_dev -c 'CREATE EXTENSION IF NOT EXISTS vector;'" || true
+    su - postgres -c "pg_ctl -D $PGDATA stop"
+fi
+
+su - postgres -c "pg_ctl -D $PGDATA -l $PGLOG start"
+exec "$@"