Update postgres Docker tag to v18

docker-compose.yml

@@ -2,7 +2,7 @@ name: gitea
 
 services:
   server:
-    image: gitea/gitea:1.23.7
+    image: gitea/gitea:1.24.6
     container_name: gitea
     depends_on:
       - db_pg17
@@ -14,7 +14,7 @@ services:
       - /etc/localtime:/etc/localtime:ro
     ports:
       #- "3005:3000"
-      - "2222:22"
+      - "22:22"
     networks:
       - internal
       - runner
@@ -32,7 +32,6 @@ services:
       GITEA__server__ROOT_URL__FILE: /run/secrets/root_url
       GITEA__server__DOMAIN__FILE: /run/secrets/domain
       GITEA__server__SSH_DOMAIN__FILE: /run/secrets/ssh_domain
-      GITEA__server__SSH_PORT__FILE: /run/secrets/ssh_port
       GITEA__mailer__ENABLED: true
       GITEA__mailer__PROTOCOL: smtp+starttls
       GITEA__mailer__SMTP_PORT: 587
@@ -45,6 +44,7 @@ services:
       GITEA__oauth2_client__ACCOUNT_LINKING: login
       GITEA__oauth2_client__USERNAME: nickname
       GITEA__openid__ENABLE_OPENID_SIGNIN: false
+      GITEA__service__ENABLE_NOTIFY_MAIL: true
       GITEA__service__DISABLE_REGISTRATION: false
       GITEA__service__ALLOW_ONLY_EXTERNAL_REGISTRATION: true
       GITEA__service__DEFAULT_ALLOW_CREATE_ORGANIZATION: false
@@ -62,14 +62,13 @@ services:
       - root_url
       - domain
       - ssh_domain
-      - ssh_port
       - mail_server
       - mail_user
       - mail_pass
       - mail_from
 
   runner:
-    image: gitea/act_runner:0.2.11
+    image: gitea/act_runner:0.2.13
     container_name: gitea_runner
     depends_on:
       - server
@@ -89,7 +88,7 @@ services:
       - runner_token
 
   db_pg17:
-    image: postgres:17.4
+    image: postgres:18.0
     container_name: gitea_db_pg17
     restart: unless-stopped
     healthcheck:
@@ -147,8 +146,6 @@ secrets:
     file: /srv/docker/secrets/gitea/domain.txt
   ssh_domain:
     file: /srv/docker/secrets/gitea/ssh_domain.txt
-  ssh_port:
-    file: /srv/docker/secrets/gitea/ssh_port.txt
   mail_from:
     file: /srv/docker/secrets/gitea/mail_from.txt
   mail_user: