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Using Docker and Docker Compose for Development and Testing

These instructions are designed for setting up openstreetmap-website for development and testing using Docker. This will allow you to install the OpenStreetMap application and all its dependencies in Docker images and then run them in containers, almost with a single command. You will need to install Docker and Docker Compose on your development machine:

Windows users: You must enable git symlinks before cloning the repository. This repository uses symbolic links that are not enabled by default on Windows git. To enable them, turn on Developer Mode on Windows and run git config --global core.symlinks true to enable symlinks in Git. See this StackOverflow question for more information.

The first step is to fork/clone the repo to your local machine:

git clone https://github.com/openstreetmap/openstreetmap-website.git

Now change working directory to the openstreetmap-website:

cd openstreetmap-website

Initial Setup

Storage

cp config/example.storage.yml config/storage.yml

Database

cp config/docker.database.yml config/database.yml

Prepare local settings file

This is a workaround. See issues/2185 for details.

touch config/settings.local.yml

Windows users: touch is not an availible command in Windows so just create a settings.local.yml file in the config directory, or if you have WSL you can run wsl touch config/settings.local.yml.

Installation

To build local Docker images run from the root directory of the repository:

docker-compose build

If this is your first time running or you have removed cache this will take some time to complete. Once the Docker images have finished building you can launch the images as containers.

To launch the app run:

docker-compose up -d

This will launch one Docker container for each 'service' specified in docker-compose.yml and run them in the background. There are two options for inspecting the logs of these running containers:

  • You can tail logs of a running container with a command like this: docker-compose logs -f web or docker-compose logs -f db.
  • Instead of running the containers in the background with the -d flag, you can launch the containers in the foreground with docker-compose up. The downside of this is that the logs of all the 'services' defined in docker-compose.yml will be intermingled. If you don't want this you can mix and match - for example, you can run the database in background with docker-compose up -d db and then run the Rails app in the foreground via docker-compose up web.

Migrations

Run the Rails database migrations:

docker-compose run --rm web bundle exec rails db:migrate

Tests

Run the test suite by running:

docker-compose run --rm web bundle exec rails test:all

Loading an OSM extract

This installation comes with no geographic data loaded. You can either create new data using one of the editors (Potlatch 2, iD, JOSM etc) or by loading an OSM extract. Here an example for loading an OSM extract into your Docker-based OSM instance.

For example, let's download the District of Columbia from Geofabrik or any other region:

wget https://download.geofabrik.de/north-america/us/district-of-columbia-latest.osm.pbf

You can now use Docker to load this extract into your local Docker-based OSM instance:

docker-compose run --rm web osmosis \
    -verbose    \
    --read-pbf district-of-columbia-latest.osm.pbf \
    --log-progress \
    --write-apidb \
        host="db" \
        database="openstreetmap" \
        user="openstreetmap" \
        validateSchemaVersion="no"

Windows users: Powershell uses ` and CMD uses ^ at the end of each line, e.g.:

docker-compose run --rm web osmosis `
    -verbose    `
    --read-pbf district-of-columbia-latest.osm.pbf `
    --log-progress `
    --write-apidb `
        host="db" `
        database="openstreetmap" `
        user="openstreetmap" `
        validateSchemaVersion="no"

Once you have data loaded for Washington, DC you should be able to navigate to http://localhost:3000/#map=12/38.8938/-77.0146 to begin working with your local instance.

Additional Configuration

See CONFIGURE.md for information on how to manage users and enable OAuth for iD, JOSM etc.

Bash

If you want to get into a web container and run specific commands you can fire up a throwaway container to run bash in via:

docker-compose run --rm web bash

Alternatively, if you want to use the already-running web container then you can exec into it via:

docker-compose exec web bash

Similarly, if you want to exec in the db container use:

docker-compose exec db bash