build_docker.sh

#!/bin/bash

docker_desc="Dockerfile" # Dockerfile filename
image_name="yourimage" # Name and optionally tag of your image
file_extension=".tar" # File extension of saved file
gz_extension=".gz" # File extension of saved file after compression

# Dockerfile exist or not
if [ ! -e "$docker_desc" ]; then
   echo "Dockerfile not found"
   exit 1
fi

# Check image_name options
while getopts "t:" opt; do
    case "$opt" in
    t) image_name=$OPTARG
        ;;
    esac
done

# Delete previously saved file
if [ -e "$image_name$file_extension$gz_extension" ]; then
    echo "Delete previously build file..."
    rm -rf "$image_name$file_extension$gz_extension"
fi

# Optional previous project build operation
cd ./client && npm run build && cd ..

docker build -t "$image_name" ./
docker save -o "$image_name$file_extension" "$image_name"

echo "Begin ompress..."
gzip "$image_name$file_extension"

echo "Done, enjoy it!"
# run
# docker run -d -p 49170:80 "$image_name"