Move Caddy into its own docker-compose config

docker/gitea/docker-compose.yaml

@@ -10,10 +10,10 @@ services:
       USER_GID: 42001
       GITEA__server__DOMAIN: pbrinkmeier.de
       GITEA__server__HTTP_PORT: 3000
-      GITEA__server__ROOT_URL: http://pbrinkmeier.de:30000/
+      GITEA__server__ROOT_URL: https://git.pbrinkmeier.de/
       GITEA__server__SSH_DOMAIN: pbrinkmeier.de
-      GITEA__server__SSH_LISTEN_PORT: 3000
-      GITEA__server__SSH_PORT: 30001
+      GITEA__server__SSH_LISTEN_PORT: 22
+      GITEA__server__SSH_PORT: 22
       GITEA__server__OFFLINE_MODE: "true"
       GITEA__database__DB_TYPE: postgres
       GITEA__database__HOST: gitea_db:5432
@@ -41,8 +41,7 @@ services:
       - /etc/timezone:/etc/timezone:ro
       - /etc/localtime:/etc/localtime:ro
     ports:
-      - "30000:3000"
-      - "30001:22"
+      - 22:22
     depends_on:
       - gitea_db
 
@@ -55,3 +54,8 @@ services:
       POSTGRES_PASSWORD: "${GITEA_DB_PASSWORD}"
     volumes:
       - /var/lib/pbri/docker/gitea_db:/var/lib/postgresql/data
+
+networks:
+  default:
+    name: caddy-network
+    external: true