A script to start the docker containers from the compose yml.

init.sh

#!/bin/sh

set -e

## usage
# docker-init up -> start the containers
# docker-init	 -> stops the containers
# https://24ankitw.medium.com/managing-docker-containers-3d0bcc54405

command_exists() {
	command -v "$@" >/dev/null 2>&1
}

fmt_error() {
  printf '%sError: %s%s\n' "$BOLD$RED" "$*" "$RESET" >&2
}

setup_color() {
	RED=$(printf '\033[31m')
	GREEN=$(printf '\033[32m')
	YELLOW=$(printf '\033[33m')
	BLUE=$(printf '\033[34m')
	BOLD=$(printf '\033[1m')
	RESET=$(printf '\033[m')
}
setup_color

command_exists docker || {
    fmt_error "docker is not installed"
    exit 1
}

command_exists docker-compose || {
    fmt_error "docker-compose is not installed"
    exit 1
}

printf %s "$BLUE"
  cat <<'EOF'
 ____             _
|  _ \  ___   ___| | _____ _ __
| | | |/ _ \ / __| |/ / _ \ '__|
| |_| | (_) | (__|   <  __/ |
|____/ \___/ \___|_|\_\___|_|

  ____            _        _
 / ___|___  _ __ | |_ __ _(_)_ __   ___ _ __ ___
| |   / _ \| '_ \| __/ _` | | '_ \ / _ \ '__/ __|
| |__| (_) | | | | || (_| | | | | |  __/ |  \__ \
 \____\___/|_| |_|\__\__,_|_|_| |_|\___|_|  |___/ 
                                                ... lodaing 🐳
EOF
printf %s "$RESET"

echo "${YELLOW}Script Execution started!!!${RESET}"
running_containers=($(docker ps --format '{{.Names}}'))

## Directory contining the sub dirs which has the docker-compose.yml file
docker_compose_dir=$HOME/devops/docker
if [[ "$1" = "up" ]]; then
	for d in $docker_compose_dir/*/ 
	do
		current_dirname=$(basename ${d})
		# avoids prompt to start the running container
		if [[ " ${running_containers[@]} " =~ " ${current_dirname} " ]]; then
			continue
		fi

		cd "$d"
		echo "\n${GREEN} ${BOLD}$d ${RESET}"
		read -p " Do you want to start this container ${YELLOW}y/n${RESET} : " input  
		if [ "$input" = "y" ]; then
			echo "${GREEN} ${BOLD}Stating the container ${RESET}"
			command docker-compose up -d
		fi
	done
else
	for d in $docker_compose_dir/*/ 
	do
		current_dirname=$(basename ${d})
		# avoids prompt to stop the non-running container
		if [[ " ${running_containers[@]} " =~ " ${current_dirname} " ]]; then
			cd "$d"
			echo "\n${GREEN} ${BOLD}$d ${RESET}"
			read -p " Do you want to shut-down this container ${YELLOW}y/n${RESET} : " input  
			if [ "$input" = "y" ]; then
				echo "${GREEN} ${BOLD}Stating the container ${RESET}"
				command docker-compose down
			fi
		fi
	done
fi