Merge pull request #597 from CodeForPhilly/pg_ver_cleanup_573

Fix docker-compose pg ver,  ignore .pem files

Author: c-simpson

.gitignore

@@ -24,4 +24,4 @@ start_env.sh
 *kustomization*
 src/.venv/
 src/server/secrets_dict.py
-
+*.pem

src/docker-compose.yml

@@ -5,7 +5,7 @@ services:
     container_name: paws-compose-db
     ports:
       - "5432:5432"
-    image: postgres:13.2-alpine
+    image: postgres:15.4-alpine
     volumes:
       - postgres:/var/lib/postgresql/data
     environment: