add nextcloud config

docker/nextcloud/.env.example

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+######################################
+# Postgres Configuration
+######################################
+POSTGRES_HOST=db
+POSTGRES_DB=nextcloud
+POSTGRES_USER=nextcloud
+POSTGRES_PASSWORD=
+POSTGRES_VOLUME_PATH= # Path to store postgres data
+
+######################################
+# Nextcloud Configuration
+######################################
+NEXTCLOUD_VOLUME_PATH= # Path to store nextcloud data
+
+# I have provided these with the default values, however I recommend increasing these as needed
+PHP_MEMORY_LIMIT=512M
+PHP_UPLOAD_LIMIT=512M
+
+# For SMTP - I use private email: https://www.namecheap.com/support/knowledgebase/article.aspx/1179/2175/general-private-email-configuration-for-mail-clients-and-mobile-devices/
+# Note: At least SMTP_HOST, MAIL_FROM_ADDRESS and MAIL_DOMAIN must be set for the configurations to be applied.
+SMPT_HOST=
+SMPT_SECURE=ssl
+SMTP_PORT=
+SMTP_AUTHTYPE=LOGIN
+SMTP_NAME= # username
+SMTP_PASSWORD=
+MAIL_FROM_ADDRESS=
+MAIL_DOMAIN=
+
+######################################
+# Redis Configuration
+######################################
+REDIS_HOST=cache
+REDIS_HOST_PORT=6379
+REDIS_HOST_PASSWORD=

docker/nextcloud/docker-compose.yml

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+services:
+  db:
+    image: postgres:16
+    restart: always
+    volumes:
+      - ${POSTGRES_VOLUME_PATH}:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_DB
+      - POSTGRES_USER
+      - POSTGRES_PASSWORD
+
+  cache:
+    image: redis:7.2.5-alpine
+    restart: always
+    command: redis-server --save 20 1 --loglevel warning --requirepass ${REDIS_HOST_PASSWORD}
+    volumes: 
+      - cache:/data
+
+  app:
+    image: nextcloud
+    restart: always
+    ports:
+      - 8080:80
+    volumes:
+      - ${NEXTCLOUD_VOLUME_PATH}:/var/www/html
+    environment:
+      - POSTGRES_HOST
+      - POSTGRES_DB
+      - POSTGRES_USER
+      - POSTGRES_PASSWORD
+      - PHP_MEMORY_LIMIT
+      - PHP_UPLOAD_LIMIT
+      - SMTP_HOST
+      - SMTP_AUTHTYPE
+      - SMTP_NAME
+      - SMTP_PASSWORD
+      - MAIL_FROM_ADDRESS
+      - MAIL_DOMAIN
+      - REDIS_HOST
+      - REDIS_HOST_PORT
+      - REDIS_HOST_PASSWORD
+    depends_on:
+      - db
+      - cache
+
+volumes:
+  cache: