docker-godot-3-build-and-run

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docker-godot-3-build-and-run

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Docker build script for the Godot game engine v3

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#  THIS IS NO LONGER MAINTAINED - PLEASE USE GODOT TEMPLATE REPOSITORY: https://github.com/PanLabGameDev/godot-boilerplate

[![Docker Build](https://img.shields.io/docker/build/h4de5/docker-godot-3-build-and-run.svg)](https://hub.docker.com/r/h4de5/docker-godot-3-build-and-run/builds/)
[![Docker Pull](https://img.shields.io/docker/pulls/h4de5/docker-godot-3-build-and-run.svg)](https://hub.docker.com/r/h4de5/docker-godot-3-build-and-run/builds/)

# docker-godot-3-build-and-run

**This is work in progress!**

**UPDATE: 2018-10-08 - There is a precompiled headless server binary now. I am updating this docker repository to use the latest binaries: godot v3.0.6**

**UPDATE: 2018-07-01 - There is a precompiled server binary now. I am updating this docker repository to use the latest binaries: godot v3.0.4**

**UPDATE: 2018-02-27 - I just found out, that it is not possible to export a game using the headless server plattform due to the lack of a GPU or any GPU access on such a server. That's why i decided to postpone any further developement of this docker image until this is made available. This docker image can still be used to build and run the headless server - as well as, with small modifications of the build-godot.sh file, build the godot editor from the latest source for windows and linux.**

Also this is my first steps in docker - feel free to submit changes :)

Use this docker image script to create a working build environment for **Godot v3**

At the moment it is possible to:

- compile godot v3 from source
  - for platforms: headless linux server, X11, windows, javascript
- export your godot game for those plattforms **NOT YET**
- run your game from headless godot server within the docker container

What is not possible right now:

- export to Android
- immediately understand how it works by reading this help file

What will never be possible:

- compile to OSX
- export to any other Apple thing
- actually understand how it works by repeatingly reading this help file

## Docker basis

Docker image is based on ubuntu:bionic. It installs all packets used for [building and exporting godot binaries](http://docs.godotengine.org/en/3.0/development/compiling/compiling_for_x11.html).

## Godot basis

The Image will clone the [godot source](https://github.com/godotengine/godot) and will initially download the [export templates](https://godotengine.org/download/windows).

## Install and Usage

There are several shell scripts available.

Run from outside:

- `build-docker.sh` .. starting point for creating the docker image.
- `run-docker.sh [portnumber]` .. run your created docker image and create a container.

Runs during build process:

- `download-godot.sh [editor|templates|all]` .. downloads latest godot editor and export templates
- `install-emscripten.sh` .. installs and setup emscript

Run on active container (docker run ..):

- `build-godot.sh [editor|templates|all] [all|server|linux|windows|javascript]` .. builds the godot editor binary, or the export templates - _takes a looong time_.
- `export-game.sh <game-name>` .. exports binaries for your mounted godot game directory
- `run-game.sh <path-to-server-scene.tscn>` .. runs a scene on the headless server within your game directory

## Examples

THIS IS OUTDATED - PLEASE USE docker-compose below

Run command to temporary build container and run your godot game within a headless server:

```bash
docker run --rm -it -p 8910 -v `pwd`:/root/workspace/game/ h4de5/docker-godot-3-build-and-run:latest /root/workspace/build-scripts/run-game.sh <path-to-server-scene.tscn>
```

Run command to temporary build container and export your game to windows/linux/javascript - binaries will be placed in /bin/ directory:

```bash
docker run --rm -it -v `pwd`:/root/workspace/game/ h4de5/docker-godot-3-build-and-run:latest /root/workspace/build-scripts/export-game.sh <name-your-game>
```

If you want to have a permanent container file:

```bash
docker run -it -v `pwd`:/root/workspace/game/ h4de5/docker-godot-3-build-and-run:latest bash
```

Reconnect to an permanent container file

```bash
docker exec -it docker-godot-3-build-and-run bash
```

For more information please see help (-h) for each script.

## docker-compose setup

Have a look at the [`.env.dist`](.env.dist) - modify paths and names as you wish and save it as `.env`
After that you can use docker-compose to setup the containers correctly:

- `docker-compose up build-editor` .. builds the editor for your desired OS
- `docker-compose up build-templates` .. builds the export templates
- `docker-compose up export-game` .. exports your game for all available OS **NOT YET**
- `docker-compose up run-game` .. runs your game server scene

## Docker Lifecycle und Cheatsheet (cause I still need this)

*Dockerfile* > build > *Image* > run > *Container*

- `docker ps` .. lists running containers
- `docker build --tag <image>` .. builds an image from dockerfile
- `docker run -d <image>` .. runs container in background
- `docker run -it <image> bash` .. runs interactive container
- `docker run -rm <image> bash` .. removes container on stop
- `docker run -name <container> <image>` .. starts a named container
- `docker stop <container>` .. stops a named container
- `docker start <container>` .. restarts a named container
- `docker exec -it <container> bash` .. connect to a container

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