{"id":74,"date":"2023-08-05T07:23:47","date_gmt":"2023-08-05T07:23:47","guid":{"rendered":"http:\/\/it4home.dk\/?p=74"},"modified":"2023-08-06T09:21:14","modified_gmt":"2023-08-06T09:21:14","slug":"setting-up-node-red-with-docker-and-managing-backups","status":"publish","type":"post","link":"https:\/\/it4home.dk\/index.php\/2023\/08\/05\/setting-up-node-red-with-docker-and-managing-backups\/","title":{"rendered":"Setting Up Node-RED with Docker and Managing Backups"},"content":{"rendered":"
<\/a>\"image_print\"<\/a><\/div>\n

Introduction:
Node-RED is a powerful visual programming tool that allows you to easily create and manage flows for IoT applications. With Docker, you can run Node-RED in a containerized environment, making it portable and easy to maintain. In this guide, we’ll show you how to install Node-RED using Docker and manage backups for your flows.<\/p>\n\n\n\n

Step 1: Install Node-RED with Docker
To install Node-RED, run the following Docker command:<\/p>\n\n\n\n

docker run -d -p 1880:1880 -v nodered_data:\/data --name mynodered nodered\/node-red:latest<\/code><\/pre>\n\n\n\n
Explanation of options used:<\/p>\n\n\n\n
    \n
  • -d<\/code>: Run the container in the background (detached mode).<\/li>\n\n\n\n
  • -p 1880:1880<\/code>: Map port 1880 from the container to the host system. This allows you to access Node-RED from http:\/\/localhost:1880<\/code>.<\/li>\n\n\n\n
  • -v nodered_data:\/data<\/code>: Create a Docker volume named “nodered_data” and mount it to the \/data<\/code> directory inside the container. This volume allows you to persist Node-RED data and configurations.<\/li>\n\n\n\n
  • --name mynodered<\/code>: Assign the name “mynodered” to the container for easy management.<\/li>\n\n\n\n
  • nodered\/node-red:latest<\/code>: Use the latest Node-RED Docker image from Docker Hub.<\/li>\n<\/ul>\n\n\n\n
    Step 2: Creating a Backup Volume
    To create a backup of your Node-RED flows and configurations, you can use the docker cp<\/code> command. This command allows you to copy files and directories from a container to your host system.<\/p>\n\n\n\n
    docker cp mynodered:\/data \/your\/backup\/directory<\/code><\/pre>\n\n\n\n
    Replace \/your\/backup\/directory<\/code> with the desired backup destination on your host system. This command will copy the contents of the \/data<\/code> directory inside the Node-RED container to your specified backup directory.<\/p>\n\n\n\n
    Step 3: Stopping Node-RED
    To stop the Node-RED container, use the following command:<\/p>\n\n\n\n
    docker stop mynodered<\/code><\/pre>\n\n\n\n
    This command will gracefully stop the Node-RED container, allowing any ongoing flows to finish processing.<\/p>\n\n\n\n
    Step 4: Deleting Node-RED Container
    If you want to remove the Node-RED container, use the following command:<\/p>\n\n\n\n
    docker rm mynodered<\/code><\/pre>\n\n\n\n
    This command will remove the “mynodered” container, but the data and configurations stored in the “nodered_data” volume will be preserved.<\/p>\n\n\n\n
    Conclusion:
    You’ve successfully installed Node-RED using Docker, allowing you to easily manage and visualize your IoT application flows. Docker makes Node-RED deployment and maintenance a breeze, and you can also create backups of your flows and configurations for safekeeping. With Docker’s portability and scalability, you can take advantage of Node-RED’s full potential.<\/p>\n\n\n\n
    Happy flow building!<\/p>\n","protected":false},"excerpt":{"rendered":"
    Introduction:Node-RED is a powerful visual programming tool that allows you to easily create and manage flows for IoT applications. With Docker, you can run Node-RED in a containerized environment, making it portable and easy...<\/p>\n","protected":false},"author":1,"featured_media":208,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[2],"tags":[35],"class_list":["post-74","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-docker","tag-ok"],"_links":{"self":[{"href":"https:\/\/it4home.dk\/index.php\/wp-json\/wp\/v2\/posts\/74","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/it4home.dk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/it4home.dk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/it4home.dk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/it4home.dk\/index.php\/wp-json\/wp\/v2\/comments?post=74"}],"version-history":[{"count":2,"href":"https:\/\/it4home.dk\/index.php\/wp-json\/wp\/v2\/posts\/74\/revisions"}],"predecessor-version":[{"id":138,"href":"https:\/\/it4home.dk\/index.php\/wp-json\/wp\/v2\/posts\/74\/revisions\/138"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/it4home.dk\/index.php\/wp-json\/wp\/v2\/media\/208"}],"wp:attachment":[{"href":"https:\/\/it4home.dk\/index.php\/wp-json\/wp\/v2\/media?parent=74"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/it4home.dk\/index.php\/wp-json\/wp\/v2\/categories?post=74"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/it4home.dk\/index.php\/wp-json\/wp\/v2\/tags?post=74"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}