NextCloud setup for Docker (docker-compose) with Collabora, NGINX, Redis and Postgres

docker-compose.yml

version: "3.4"

networks: 
    example-com--postgres: ~
    example-com--redis: ~

services:
    # PostgreSQL
    postgres: 
        container_name: example-com--postgres
        environment: 
            - POSTGRES_PASSWORD=somepassword
            - POSTGRES_USER=someuser
        image: postgres:latest
        restart: always
        volumes: 
            - "./postgres/init:/docker-entrypoint-initdb.d/"
            - "./postgres/data:/var/lib/postgresql/data"
            - "/etc/localtime:/etc/localtime:ro"
        networks: 
            - example-com--postgres

    # NextCloud
    nextcloud: 
        container_name: example-com--nextcloud
        depends_on: 
          - postgres
        image: nextcloud:latest
        restart: always
        ports:
            - 1000:80
        volumes: 
            - "./nextcloud/data:/var/www/html/data"
            - "./nextcloud/config:/var/www/html/config"
            - "./nextcloud/themes:/var/www/html/themes"
            - "./nextcloud/custom_apps:/var/www/html/custom_apps"
            - "/etc/localtime:/etc/localtime:ro"
        networks: 
            - example-com--postgres
            - example-com--redis

    # Redis
    redis:
        container_name: example-com--redis
        image: redis:latest
        restart: always
        networks:
            - example-com--redis

    # Collabora
    collabora:
        container_name: example-com--collabora
        image: collabora/code:latest
        cap_add: 
            - MKNOD
        environment: 
            - domain=cloud\.example\.com
            - username=someuser
            - password=somepassword
        ports:
            - 1001:9980
        restart: always
        volumes:
            - "/etc/localtime:/etc/localtime:ro"

nginx-site.conf

# NextCloud
server {
    server_name cloud.example.com;
        
    location / {
        proxy_pass http://localhost:1000;
        proxy_http_version 1.1;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Server $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_cache_bypass $http_upgrade;
        client_max_body_size 512M;
    } 
}

# Collabora
server {
    server_name office.example.com;

    location / {
        proxy_pass http://localhost:1001;
        proxy_http_version 1.1;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Server $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_cache_bypass $http_upgrade;
    } 
    
    # static files
    location ^~ /loleaflet {
        proxy_pass https://localhost:1001;
        proxy_set_header Host $http_host;
    }

    # WOPI discovery URL
    location ^~ /hosting/discovery {
        proxy_pass https://localhost:1001;
        proxy_set_header Host $http_host;
    }

    # main websocket
    location ~ ^/lool/(.*)/ws$ {
        proxy_pass https://localhost:1001;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_set_header Host $http_host;
        proxy_read_timeout 36000s;
    }

    # download, presentation and image upload
    location ~ ^/lool {
        proxy_pass https://localhost:1001;
        proxy_set_header Host $http_host;
    }

    # Admin Console websocket
    location ^~ /lool/adminws {
        proxy_pass https://localhost:1001;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_set_header Host $http_host;
        proxy_read_timeout 36000s;
    }

    # Hosting capabilities, such as mobile support
    location ^~ /hosting/capabilities {
        proxy_pass https://localhost:1001;
        proxy_set_header Host $http_host;
    }
}