Harden compose secrets and add required provisioning docs

apps/nextcloud/docker-compose.yml

@@ -1,12 +1,13 @@
 services:
   nextcloud-webapp:
-#    image: nextcloud:production
     profiles: ["apps","all","nextcloud"]
     build:
       context: ${PROJECT_ROOT}/apps/nextcloud
     container_name: nextcloud-webapp
     restart: always
     hostname: nextcloud.lan.ddnsgeek.com
+    env_file:
+      - ${PROJECT_ROOT}/secrets/stack-secrets.env
     volumes:
       - ${PROJECT_ROOT}/apps/nextcloud/data:/var/www/html/data:rw
       - ${PROJECT_ROOT}/apps/nextcloud/config:/var/www/html/config:rw
@@ -16,26 +17,28 @@ services:
       - nextcloud-db
       - nextcloud-redis
     environment:
-      - MYSQL_PASSWORD=R1m@dmin
-      - MYSQL_DATABASE=nextcloud
-      - MYSQL_USER=nextcloud
+      - MYSQL_PASSWORD_FILE=/run/secrets/nextcloud_db_password
+      - MYSQL_DATABASE=${NEXTCLOUD_DB_NAME}
+      - MYSQL_USER=${NEXTCLOUD_DB_USER}
       - MYSQL_HOST=nextcloud_db:3306
       - NEXTCLOUD_TRUSTED_DOMAINS=nextcloud.lan.ddnsgeek.com
       - OVERWRITEPROTOCOL=https
       - OVERWRITECLIURL=https://nextcloud.lan.ddnsgeek.com
-
       - SMTP_HOST=smtp.gmail.com
       - SMTP_SECURE=tls
       - SMTP_PORT=587
       - SMTP_AUTHTYPE=login
-      - MAIL_FROM_ADDRESS=beatz174
-      - MAIL_DOMAIN=gmail.com
-      - SMTP_NAME=beatz174@gmail.com
-      - SMTP_PASSWORD=kqdw fvml wlag ldgv
-
+      - MAIL_FROM_ADDRESS=${NEXTCLOUD_SMTP_FROM_ADDRESS}
+      - MAIL_DOMAIN=${NEXTCLOUD_SMTP_DOMAIN}
+      - SMTP_NAME=${NEXTCLOUD_SMTP_NAME}
+      - SMTP_PASSWORD_FILE=/run/secrets/nextcloud_smtp_password
       - REDIS_HOST=redis
       - REDIS_HOST_PORT=6379
-      - REDIS_HOST_PASSWORD=TzBF8wcJNmVd9p2CTmBejPS9dpye6kWQeH3DmrQS9TPfTRriSHFN5VqH4CgzcuVZYWH2GBb7QU5GuEpNDGYdKjM6hjmLyjSgCFMiPms3Hv9n
+      - REDIS_HOST_PASSWORD_FILE=/run/secrets/nextcloud_redis_password
+    secrets:
+      - nextcloud_db_password
+      - nextcloud_smtp_password
+      - nextcloud_redis_password
     networks:
       - traefik
       - nextcloud
@@ -54,7 +57,6 @@ services:
       - "traefik.http.middlewares.nextcloud-webfinger.redirectregex.regex=https://(.*)/.well-known/webfinger"
       - "traefik.http.middlewares.nextcloud-webfinger.redirectregex.replacement=https://$${1}/nextcloud/index.php/.well-known/webfinger"
       - "traefik.docker.network=core_traefik"
-
     healthcheck:
       test:
         - CMD-SHELL
@@ -68,9 +70,6 @@ services:
       retries: 6
       start_period: 180s
 
-
-
-
   nextcloud-db:
     image: mariadb:11.4
     restart: always
@@ -78,36 +77,41 @@ services:
     container_name: nextcloud-db
     hostname: nextcloud_db
     command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --binlog-format=ROW
+    env_file:
+      - ${PROJECT_ROOT}/secrets/stack-secrets.env
     volumes:
       - ${PROJECT_ROOT}/apps/nextcloud/database:/var/lib/mysql:rw
     environment:
-      - MYSQL_ROOT_PASSWORD=R1m@dmin
-      - MYSQL_PASSWORD=R1m@dmin
-      - MYSQL_DATABASE=nextcloud
-      - MYSQL_USER=nextcloud
+      - MYSQL_ROOT_PASSWORD_FILE=/run/secrets/nextcloud_db_root_password
+      - MYSQL_PASSWORD_FILE=/run/secrets/nextcloud_db_password
+      - MYSQL_DATABASE=${NEXTCLOUD_DB_NAME}
+      - MYSQL_USER=${NEXTCLOUD_DB_USER}
       - MARIADB_AUTO_UPGRADE=1
-      - NEXTCLOUD_ADMIN_USER=admin
-      - NEXTCLOUD_ADMIN_PASSWORD=R1m@dmin
+      - NEXTCLOUD_ADMIN_USER=${NEXTCLOUD_ADMIN_USER}
+      - NEXTCLOUD_ADMIN_PASSWORD_FILE=/run/secrets/nextcloud_admin_password
+    secrets:
+      - nextcloud_db_root_password
+      - nextcloud_db_password
+      - nextcloud_admin_password
     networks:
       - nextcloud
     labels:
       - "io.portainer.accesscontrol.public"
     healthcheck:
-      test: ["CMD-SHELL", "mariadb-admin ping -u nextcloud --password=R1m@dmin --silent"]
+      test: ["CMD-SHELL", "mariadb-admin ping -u $$MYSQL_USER --password=$$(cat /run/secrets/nextcloud_db_password) --silent"]
       interval: 10s
       timeout: 5s
       retries: 12
       start_period: 60s
 
-
   nextcloud-redis:
     image: "redis"
     profiles: ["apps","all","nextcloud"]
-    command: ["redis-server", "--requirepass", "TzBF8wcJNmVd9p2CTmBejPS9dpye6kWQeH3DmrQS9TPfTRriSHFN5VqH4CgzcuVZYWH2GBb7QU5GuEpNDGYdKjM6hjmLyjSgCFMiPms3Hv9n", "--appendonly", "yes", "--save", "60", "1000"]
+    command: ["sh", "-c", "redis-server --requirepass \"$$(cat /run/secrets/nextcloud_redis_password)\" --appendonly yes --save 60 1000"]
     hostname: redis
     container_name: nextcloud-redis
-    environment:
-      - REDIS_HOST_PASSWORD=TzBF8wcJNmVd9p2CTmBejPS9dpye6kWQeH3DmrQS9TPfTRriSHFN5VqH4CgzcuVZYWH2GBb7QU5GuEpNDGYdKjM6hjmLyjSgCFMiPms3Hv9n
+    secrets:
+      - nextcloud_redis_password
     volumes:
       - ${PROJECT_ROOT}/apps/nextcloud/data/redis:/data:rw
     restart: always
@@ -116,15 +120,23 @@ services:
     labels:
       - "io.portainer.accesscontrol.public"
     healthcheck:
-      test: ["CMD-SHELL", "redis-cli -a TzBF8wcJNmVd9p2CTmBejPS9dpye6kWQeH3DmrQS9TPfTRriSHFN5VqH4CgzcuVZYWH2GBb7QU5GuEpNDGYdKjM6hjmLyjSgCFMiPms3Hv9n PING | grep -q PONG"]
+      test: ["CMD-SHELL", "redis-cli -a \"$$(cat /run/secrets/nextcloud_redis_password)\" PING | grep -q PONG"]
       interval: 10s
       timeout: 5s
       retries: 6
       start_period: 10s
 
-
 networks:
-#  traefik_reverse_proxy:
-#    external: true
   nextcloud:
-#    driver: bridge
+
+secrets:
+  nextcloud_db_root_password:
+    file: ${PROJECT_ROOT}/secrets/nextcloud_db_root_password.txt
+  nextcloud_db_password:
+    file: ${PROJECT_ROOT}/secrets/nextcloud_db_password.txt
+  nextcloud_admin_password:
+    file: ${PROJECT_ROOT}/secrets/nextcloud_admin_password.txt
+  nextcloud_smtp_password:
+    file: ${PROJECT_ROOT}/secrets/nextcloud_smtp_password.txt
+  nextcloud_redis_password:
+    file: ${PROJECT_ROOT}/secrets/nextcloud_redis_password.txt