Refactor .bashrc welcome message logic, remove unused dotfiles symlink, add Unifi Network Application service and MongoDB setup in Ansible, update flake.lock for dependencies, and modify authorized_keys for SSH access.

config/ansible/tasks/servers/services/unifi-network-application/docker-compose.yml.j2

@@ -0,0 +1,54 @@
+services:
+  unifi-controller:
+    image: linuxserver/unifi-network-application:latest
+    restart: unless-stopped
+    ports:
+      - "8080:8080"     # Device communication
+      - "8443:8443"     # Controller GUI / API
+      - "3478:3478/udp" # STUN
+      - "10001:10001/udp" # AP discovery
+    environment:
+      - PUID=1000
+      - PGID=1000
+      - TZ=Europe/Amsterdam
+      - MONGO_USER=unifi
+      - MONGO_PASS=unifi
+      - MONGO_HOST=unifi-db
+      - MONGO_PORT=27017
+      - MONGO_DBNAME=unifi
+      - MONGO_AUTHSOURCE=admin
+    volumes:
+      - {{ unifi_network_application_data_dir }}/data:/config
+    depends_on:
+      - unifi-db
+    networks:
+      - unifi-network
+      - caddy_network
+    sysctls:
+      - net.ipv6.conf.all.disable_ipv6=1
+
+  unifi-db:
+    image: mongo:6.0
+    restart: unless-stopped
+    volumes:
+      - {{ unifi_network_application_data_dir }}/db:/data/db
+      - {{ unifi_network_application_data_dir }}/init-mongo.sh:/docker-entrypoint-initdb.d/init-mongo.sh:ro
+    environment:
+      - MONGO_INITDB_ROOT_USERNAME=root
+      - MONGO_INITDB_ROOT_PASSWORD=root
+      - MONGO_INITDB_DATABASE=unifi
+      - MONGO_USER=unifi
+      - MONGO_PASS=unifi
+      - MONGO_DBNAME=unifi
+      - MONGO_AUTHSOURCE=admin
+    networks:
+      - unifi-network
+    sysctls:
+      - net.ipv6.conf.all.disable_ipv6=1
+
+networks:
+  unifi-network:
+    driver: bridge
+  caddy_network:
+    external: true
+    name: caddy_default