Docker run/build wrapper

run_docker.sh

#!/bin/bash

##############################################################################
# SET ME!!!

IMAGE_NAME="YOUR_IMAGE_NAME"
CONTAINER_NAME="YOUR_CONTAINER_NAME"

IS_INTERACTIVE=false; # true/false

#VOLUME_INTERNAL_PATH="/root/"
#VOLUME_EXTERNAL_PATH=$(pwd)"/"

##############################################################################

# If container is interactive
if [ "$IS_INTERACTIVE" = true ] ; then 
	INTERACTIVE_START_FLAGS="-i"
	INTERACTIVE_RUN_FLAGS="-i -t"
fi

# Assemble VOLUME PATH BINDING
if [[ $VOLUME_INTERNAL_PATH && $VOLUME_EXTERNAL_PATH ]]; then
	VOLUME_BINDING = "-v $VOLUME_EXERNAL_PATH:$VOLUME_INTERNAL_PATH"
fi

# Build image if needed
IMAGE_EXISTS=$(docker images -q $IMAGE_NAME)
if [ $? -ne 0 ]; then
	echo "docker command not found"
	exit $?
elif [[ -z $IMAGE_EXISTS ]]; then
	echo "Building Docker image $IMAGE_NAME..."
	docker build --no-cache --rm -t "$IMAGE_NAME" ./
fi

# With the given name $CONTAINER_NAME, reconnect to running container, start
# an existing/stopped container or run a new one if one does not exist.
IS_RUNNING=$(docker inspect -f '{{.State.Running}}' $CONTAINER_NAME 2>/dev/null)
if [[ $IS_RUNNING == "true" ]]; then
	docker attach $CONTAINER_NAME
elif [[ $IS_RUNNING == "false" ]]; then
	docker start $INTERACTIVE_START_FLAGS $CONTAINER_NAME
else
	docker run $VOLUME_BINDING $INTERACTIVE_RUN_FLAGS --name $CONTAINER_NAME $IMAGE_NAME
fi

exit $?