biscuide / startDockerMongoDB.bash

#!/usr/bin/env bash # User-configurable variables containerName="mongo-db-name" dbUser="mongo-user" dbPassword="mongo-password" dbName="mongo-db" hostPort=27017 containerPort=27017 initScriptPath="/tmp/init-mongo.js" # Function to create the init script for mongoDB create_init_script() { echo "Creating MongoDB initialization script at $initScriptPath..." cat <<EOF >"$initScriptPath" db.createUser({ user: '$dbUser', pwd: '$dbPassword', roles: [{ role: 'readWrite', db: '$dbName' }] }); EOF } # Function to create a new container create_container() { echo "Creating container '$containerName'..." create_init_script docker run \ --name "$containerName" \ -e MONGO_INITDB_DATABASE="$dbName" \ -v "$initScriptPath:/docker-entrypoint-initdb.d/init-mongo.js" \ -p "$hostPort:$containerPort" \ -d mongo # Remove the init script after starting the container rm "$initScriptPath" } # Function to start an existing container start_container() { echo "Starting container '$containerName'..." docker start "$containerName" } # Main script logic # Check whether the container exists (in any state) containerExists=$(docker ps -a --filter "name=$containerName" --format "{{.Names}}") if [ -n "$containerExists" ]; then # Container exists, check if it's running containerRunning=$(docker ps --filter "name=$containerName" --filter "status=running" --format "{{.Names}}") if [ -n "$containerRunning" ]; then echo "Container '$containerName' is already running." else echo "Container '$containerName' exists but is not running." if ! start_container; then echo "Failed to start container. Removing and recreating it..." docker rm "$containerName" create_container fi fi else # Container does not exist, create it create_container fi