run-func.sh

#!/bin/bash

run_func () {
# flags to easily delete image and container
local OPTIND o a
while getopts ":krxb" option; do
    case $option in
        k)
            echo "Deleting container..."
            docker container rm ${CONTAINER_NAME}
            exit;;
        r)
            echo "Deleting image..."
            docker rmi ${IMAGE_TAG}
            exit;;
        x)
            echo "Deleting image and container..."
            docker container rm ${CONTAINER_NAME}
            docker rmi ${IMAGE_TAG}
            exit;;
        b)
            if [[ "$(docker images -q ${IMAGE_TAG} 2> /dev/null)" == "" ]]; then
                echo "Building image (no-cache)..."
                docker build --no-cache --pull --build-arg GIT_REPO=${GIT_REPO} --target ${IMAGE_TARGET} -t ${IMAGE_TAG} .
            fi
    esac
done

# build image if not built already
if [[ "$(docker images -q ${IMAGE_TAG} 2> /dev/null)" == "" ]]; then
    echo "Building image..."
    docker build --pull --build-arg GIT_REPO=${GIT_REPO} --target ${IMAGE_TARGET} -t ${IMAGE_TAG} .
fi

./launch_X.sh

# run container if not created, otherwise attach to existing
if [[ "$(docker container ls -qa --filter name=${CONTAINER_NAME} 2> /dev/null)" == "" ]]; then
    echo "Creating and running container..."
    # Options:
    #  - bind ssh to share keys and config
    #  - bind docker socket to allow docker within docker simulation
    #  - increase /dev/shm size as chrome needs a lot
    #  - set detach key to ctrl z,z to free up ctrl,p (the default)
    #  - set DISPLAY env so we can use XServer over the network
    #  - use a custome seccomp profile that enables chrome sandbox
    docker run -p ${HOST_PORTS}:${CONTAINER_PORTS} --mount type=bind,src=/var/run/docker.sock,target=/var/run/docker.sock --shm-size=2gb --detach-keys='ctrl-z,z' --name ${CONTAINER_NAME} -e DISPLAY=host.docker.internal:0 --security-opt seccomp=custom-seccomp.json -h ${HOSTNAME} -it ${IMAGE_TAG}
else
    echo "Starting and attaching to existing container..."
    docker start --detach-keys='ctrl-z,z' -i ${CONTAINER_NAME}
fi
}