Build and run a Docker image

ForgeRock delivers a Dockerfile inside IG-7.2.0.zip, to help you build an evaluation-only, base Docker image for IG. After building and running the Docker image, add a configuration as described in Add configuration to a Docker image.

ForgeRock provides no commercial support for production deployments that use ForgeRock’s evaluation-only Docker images. When deploying the ForgeRock Identity Platform using Docker images, you must build and use your own images for production deployments.

The Docker image has the following characteristics:

The Docker image runs on Linux and Mac operating systems.
IG binaries are delivered in /opt/ig.
The environment variable $IG_INSTANCE_DIR has the value /var/ig.
A ForgeRock user with username: forgerock and uid: 11111, runs the IG process and owns the configuration files.

Build the base image for IG

Download IG-7.2.0.zip from the ForgeRock BackStage download site, and unzip. The directory /path/to/identity-gateway is created.
Go to /path/to/identity-gateway:
```
$ cd /path/to/identity-gateway
```

With a Docker daemon running, build a base Docker image:

$ docker build . -f docker/Dockerfile -t ig-image

Sending build context to Docker daemon
Step 1/7 : FROM gcr.io/forgerock-io/java-11:latest
latest: Pulling from forgerock-io/java-11
...
Successfully tagged ig-image:latest

Make sure that the Docker image is available:

$ docker image list

REPOSITORY                   TAG        IMAGE ID
ig-image                     latest
gcr.io/forgerock-io/java-11  latest

Run the Docker image

The following steps run the Docker image on port 8080. Make sure that the port is not being used, or use a different port as described in the procedure.

With a Docker daemon running, run the Docker image:
```
$ docker run -p 8080:8080 ig-image
```
IG starts up, and the console displays the message log.
Go to http://localhost:8080 to view the IG welcome page.

Consider using the following options when you run the Docker image:

The default ports 8080:8080 equate to local-machine-port:internal-container-port. IG can run on a different port, but the container must always run on 8080. The following example runs IG on port 8090:
```
$ docker run -p 8090:8080 ig-image
```
The default configuration directory is /var/ig/. The following example sets the configuration directory to $HOME/.openig:
```
$ docker run -p 8080:8080 -v $HOME/.openig:/var/ig/ ig-image
```
Run the image in sh shell, in interactive mode, using the provided Forgerock user:
```
$ docker run -p 8080:8080 -it --user 11111 ig-image sh
```

Stop the Docker image

List the Docker containers that are running:
```
$ docker container ls
```
For a container with the status Up, use the container ID to stop the container:
```
$ docker container stop CONTAINER_ID
```

Identity Gateway 7.2

Build and run a Docker image

Build the base image for IG

Run the Docker image

Stop the Docker image