fixed connection string in configs

infra/postgres/Dockerfile

@@ -2,5 +2,4 @@ FROM postgres:16
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends postgresql-16-cron \
-    && rm -rf /var/lib/apt/lists/*
-COPY infra/postgres/migrations/ /docker-entrypoint-initdb.d/
+    && rm -rf /var/lib/apt/lists/*

infra/postgres/migrations/001-create-pg-cron-extension.sql

@@ -1 +0,0 @@
-CREATE EXTENSION IF NOT EXISTS pg_cron;