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Guacamole with docker-compose

This is a small documentation how to run a fully working Apache Guacamole (incubating) instance with docker (docker-compose). The goal of this project is to make it easy to test Guacamole.

About Guacamole

Apache Guacamole (incubating) is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH. It is called clientless because no plugins or client software are required. Thanks to HTML5, once Guacamole is installed on a server, all you need to access your desktops is a web browser.

It supports RDP, SSH, Telnet and VNC and is the fastest HTML5 gateway I know. Checkout the projects homepage for more information.

Prerequisites

You need a working docker installation and docker-compose running on your machine.

Quick start

Clone the GIT repository and start guacamole:

git clone "https://github.com/NiHaiden/guacamole-docker-compose.git"
cd guacamole-docker-compose
./prepare.sh
docker-compose up -d

Your guacamole server should now be available at https://ip of your server:8443/. The default username is guacadmin with password guacadmin.

** Don't forget to change the password**

Details

To understand some details let's take a closer look at parts of the docker-compose.yml file:

Networking

The following part of docker-compose.yml will create a network with name guacnetwork_compose in mode bridged.

...
# networks
# create a network 'guacnetwork_compose' in mode 'bridged'
networks:
  guacnetwork_compose:
    driver: bridge
...

Services

guacd

The following part of docker-compose.yml will create the guacd service. guacd is the heart of Guacamole which dynamically loads support for remote desktop protocols (called "client plugins") and connects them to remote desktops based on instructions received from the web application. The container will be called guacd_compose based on the docker image guacamole/guacd connected to our previously created network guacnetwork_compose. Additionally we map the 2 local folders ./drive and ./record into the container. We can use them later to map user drives and store recordings of sessions.

...
services:
  # guacd
  guacd:
    container_name: guacd_compose
    image: guacamole/guacd
    networks:
      guacnetwork_compose:
    restart: always
    volumes:
    - ./drive:/drive:rw
    - ./record:/record:rw
...

PostgreSQL

The following part of docker-compose.yml will create an instance of PostgreSQL using the official docker image. This image is highly configurable using environment variables. It will for example initialize a database if an initialization script is found in the folder /docker-entrypoint-initdb.d within the image. Since we map the local folder ./init inside the container as docker-entrypoint-initdb.d we can initialize the database for guacamole using our own script (./init/initdb.sql). You can read more about the details of the official postgres image here.

...
  postgres:
    container_name: postgres_guacamole_compose
    environment:
      PGDATA: /var/lib/postgresql/data/guacamole
      POSTGRES_DB: guacamole_db
      POSTGRES_PASSWORD: ChooseYourOwnPasswordHere1234
      POSTGRES_USER: guacamole_user
    image: postgres
    networks:
      guacnetwork_compose:
    restart: always
    volumes:
    - ./init:/docker-entrypoint-initdb.d:ro
    - ./data:/var/lib/postgresql/data:rw
...

Guacamole

The following part of docker-compose.yml will create an instance of guacamole by using the docker image guacamole from docker hub. It is also highly configurable using environment variables. In this setup it is configured to connect to the previously created postgres instance using a username and password and the database guacamole_db. Port 8080 is only exposed locally! We will attach an instance of nginx for public facing of it in the next step.

...
  guacamole:
    container_name: guacamole_compose
    depends_on:
    - guacd
    - postgres
    environment:
      GUACD_HOSTNAME: guacd
      POSTGRES_DATABASE: guacamole_db
      POSTGRES_HOSTNAME: postgres
      POSTGRES_PASSWORD: ChooseYourOwnPasswordHere1234
      POSTGRES_USER: guacamole_user
    image: guacamole/guacamole
    links:
    - guacd
    networks:
      guacnetwork_compose:
    ports:
    - 8080/tcp
    restart: always
...

prepare.sh

prepare.sh is a small script that creates ./init/initdb.sql by downloading the docker image guacamole/guacamole and start it like this:

docker run --rm guacamole/guacamole /opt/guacamole/bin/initdb.sh --postgresql > ./init/initdb.sql

It creates the necessary database initialization file for postgres.

prepare.sh also creates the self-signed certificate ./nginx/ssl/self.cert and the private key ./nginx/ssl/self-ssl.key which are used by nginx for https.

reset.sh

To reset everything to the beginning, just run ./reset.sh.

WOL

Wake on LAN (WOL) does not work and I will not fix that because it is beyound the scope of this repo. But zukkie777 who also filed this issue fixed it. You can read about it on the Guacamole mailing list

Disclaimer

Downloading and executing scripts from the internet may harm your computer. Make sure to check the source of the scripts before executing them!