bump postgres to latest version

README.md

@@ -253,7 +253,7 @@ Variable | Description | Example
 * **jwilder/docker-gen**: Docker-gen image on docker hub.
 * **jrcs/letsencrypt-nginx-proxy-companion**: Proxy companion docker image on docker hub.
 * **gitea/gitea**: Gitea docker image on docker hub.
-* **postgres:9.6**: PostgreSQL docker image version 9.6 on docker hub.
+* **postgres:14.5**: PostgreSQL docker image on docker hub.
 
 ### Containers
 

docker-compose.yml

@@ -87,7 +87,7 @@ services:
       - /etc/localtime:/etc/localtime:ro
   db:
     restart: unless-stopped
-    image: postgres:9.6
+    image: postgres:14.5
     container_name: db
     environment:
       POSTGRES_DB: ${DB_NAME}