Add Gitea setup documentation, environment configuration, and Docker Compose files

git/prev/compose.yml

@@ -0,0 +1,48 @@
+services:
+  server:
+    image: gitea/gitea:latest
+    container_name: gitea-server
+    environment:
+      - USER_UID=121 # (europa) id -u git 
+      - USER_GID=65534 # (europa) id -g git
+      - GITEA__database__DB_TYPE=postgres
+      - GITEA__database__HOST=${POSTGRES_HOST:-db}:${POSTGRES_PORT:-5432}
+      - GITEA__database__NAME=${POSTGRES_DB:?POSTGRES_DB not set}
+      - GITEA__database__USER=${POSTGRES_USER:?POSTGRES_USER not set}
+      - GITEA__database__PASSWD=${POSTGRES_PASSWORD:?POSTGRES_PASSWORD not set}
+      - GITEA__server__SSH_PORT=${SSH_PORT}
+      - GITEA__server__ROOT_URL=https://git.ptrwd.com
+    networks:
+      - backend
+    volumes:
+      - gitea-data:/data
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro
+      - /home/git/.ssh/:/data/git/.ssh
+    ports:
+      - ${WEB_PORT}:3000
+      - ${SSH_PORT}:22
+    depends_on:
+      - db
+    restart: unless-stopped
+  db:
+    image: postgres:14
+    container_name: gitea-db
+    environment:
+      - POSTGRES_USER=${POSTGRES_USER:?POSTGRES_USER not set}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:?POSTGRES_PASSWORD not set}
+      - POSTGRES_DB=${POSTGRES_DB:?POSTGRES_DB not set}
+    networks:
+      - backend
+    volumes:
+      - gitea-db:/var/lib/postgresql/data
+    restart: unless-stopped
+   
+networks:
+  backend:
+    external: true
+volumes:
+  gitea-data:
+    driver: local
+  gitea-db:
+    driver: local