Switching over to using unix sockets for ICP

roles/gitea/defaults/main.yml

@@ -38,9 +38,9 @@ caddy_sites_enabled_dir: "/etc/caddy/sites-enabled"
 # Database Configuration (Self-Contained)
 # =================================================================
 
-# Gitea manages its own database
+# Gitea manages its own database (Unix socket connection)
 gitea_db_type: "postgres"
-gitea_db_host: "127.0.0.1"
+gitea_db_host: "/run/postgresql"  # Unix socket directory
 gitea_db_port: 5432
 gitea_db_name: "gitea"
 gitea_db_user: "gitea"

roles/gitea/templates/app.ini.j2

@@ -24,7 +24,13 @@ APP_DATA_PATH = {{ gitea_home }}/data
 
 [database]
 DB_TYPE = {{ gitea_db_type }}
+{% if gitea_db_host.startswith('/') %}
+# Unix socket connection
+HOST = {{ gitea_db_host }}
+{% else %}
+# TCP connection
 HOST = {{ gitea_db_host }}:{{ gitea_db_port }}
+{% endif %}
 NAME = {{ gitea_db_name }}
 USER = {{ gitea_db_user }}
 PASSWD = {{ gitea_db_password }}