Added updated seafile stack config and files

stacks/seafile/seadoc.yml

@@ -0,0 +1,28 @@
+services:
+  seadoc:
+    image: ${SEADOC_IMAGE:-seafileltd/sdoc-server:2.0.3-testing}
+    container_name: seadoc
+    restart: unless-stopped
+    volumes:
+      - ${SEADOC_VOLUME:-/opt/seadoc-data/}:/shared
+    ports:
+      - "8888:80"
+    environment:
+      - DB_HOST=${SEAFILE_MYSQL_DB_HOST:-db}
+      - DB_PORT=${SEAFILE_MYSQL_DB_PORT:-3306}
+      - DB_USER=${SEAFILE_MYSQL_DB_USER:-seafile}
+      - DB_PASSWORD=${SEAFILE_MYSQL_DB_PASSWORD:?Variable is not set or empty}
+      - DB_NAME=${SEADOC_MYSQL_DB_NAME:-seahub_db}
+      - TIME_ZONE=${TIME_ZONE:-Etc/UTC}
+      - JWT_PRIVATE_KEY=${JWT_PRIVATE_KEY:?Variable is not set or empty}
+      - NON_ROOT=${NON_ROOT:-false}
+      - SEAHUB_SERVICE_URL=${SEAFILE_SERVER_PROTOCOL:-http}://${SEAFILE_SERVER_HOSTNAME:?Variable is not set or empty}
+    depends_on:
+      db:
+        condition: service_healthy
+    networks:
+      - seafile-net
+
+networks:
+  seafile-net:
+    name: seafile-net