fix: docker-compose startup, general settings

docker-entrypoint.sh

@@ -1,6 +1,16 @@
 #!/bin/sh
 set -e
 
+# Wait for PostgreSQL to be ready
+if [ -n "$DATABASE_URI" ]; then
+  echo "Waiting for PostgreSQL to be ready..."
+  until wget -q --spider http://postgresql:5432 2>/dev/null || nc -z postgresql 5432; do
+    echo "PostgreSQL is unavailable - sleeping"
+    sleep 2
+  done
+  echo "PostgreSQL is up"
+fi
+
 # Wait for MinIO to be ready
 if [ -n "$MINIO_ENDPOINT" ]; then
   echo "Waiting for MinIO to be ready..."