Yes absolutely.

version: '3.8'

services:

npm:

image: 'jc21/nginx-proxy-manager:latest'

# sysctls:

# net.core.somaxconn: 4096

restart: unless-stopped

ports:

# These ports are in format :

- '80:80' # Public HTTP Port

- '443:443' # Public HTTPS Port

- '81:81' # Admin Web Port

# Add any other Stream port you want to expose

- '21:21' # FTP21

- '20:20' # FTP20

environment:

# Mysql/Maria connection parameters:

DB_MYSQL_HOST: "db"

DB_MYSQL_PORT: 3306

DB_MYSQL_USER: "npm"

DB_MYSQL_PASSWORD: "npm"

DB_MYSQL_NAME: "npm"

# Uncomment this if IPv6 is not enabled on your host

# DISABLE_IPV6: 'true'

volumes:

- ./data:/data

- ./letsencrypt:/etc/letsencrypt

# - ./logrotate:/etc/logrotate.d

depends_on:

- db

db:

image: 'jc21/mariadb-aria:latest'

restart: unless-stopped

environment:

MYSQL_ROOT_PASSWORD: 'npm'

MYSQL_DATABASE: 'npm'

MYSQL_USER: 'npm'

MYSQL_PASSWORD: 'npm'

volumes:

- ./mysql:/var/lib/mysql

This is pretty much a default NPM install on docker. When you go to the GUI and add a proxy host, just use the IP address or DNS name of the VM on proxmox.