Node News Thursday, May 10 Node.js process, Node.js process module, Node.js project & more…
- Mastering the Node.js Core Modules – The Process Module
node.js process, graceful shutdown, node.js process module, core modules, user environment
- How You Can Start Contributing to Node.js Today
Node.js project, Node.js website, core Node.js project, Node.js Docker images, open source
- Getting Started with Docker for the Node.js Developer
Docker, Docker Hub, container, image, Ubuntu image
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- Kubernetes: An Introduction to Deploying a Node.js Docker App — SitePoint
docker image, google container image, Google Cloud Platform, container image registry, class docker object
- Youll know what process states your Node.js apps will have, youll be able to do graceful shutdown, and youll handle errors much more efficiently.
- The example should have been written this way: – – The problem with not handling Promise rejections is the same as in the case of s – your Node.js process will be in an unknown state.
- You can send the signal to the process by running the following command: – – Once you did that, the Node.js process in question will let you know that the debugger is running: – – This method returns the current working directory for the running Node.js process.
- This method tells the Node.js process to terminate the process synchronously with an exit status code.
- However, if the process exits because of an error, youll get one of the following error codes:: – – These are just the most common exit codes, for all the exit codes, please refer to are the most important aspects of using the Node.js process module.
- If you don’t want to always open Boot2Docker to interact with Docker, just run the following commands: – – That’s gonna make Docker download the hello-world image from Docker Hub and start a container based on it.
- In this case, we said, Docker, start a container based on the image hello-world, no extra commands.
- Then it downloaded the image from Docker Hub and started a container inside the VirtualBox VM based on that image.
- In the description for the hello-world image, you can find a link to its Dockerfile which only has 3 lines: – – Dockerfiles are just text files containing instructions for Docker on how to build a container image.
- Let’s remove our old container: – – And let’s run a container based on our new image, connect to it using the -i -t flags, and expose port 8080 of the host (VirtualBox) as the port 3000 of the container (VM): – – Let’s use the express-generator we installed to…
- Install Google Cloud SDK and Kubernetes Client – kubectl is the command line interface for running commands against Kubernetes clusters.
- Connect your kubectl client to your cluster by running: – – gcloud container clusters get-credentials hello-world-cluster –zone us-east1-b – – So, now we have a docker image and a cluster.
- Upload Docker Image to Google Container Image Registry – The Google container image registry is a cloud registry where you can push your images and these images automatically become available to your container engine cluster.
- Lets create one for our first apps/v1beta1 – kind: Deployment – metadata: – name: hello-world-deployment – spec: – replicas: 2 – template: – metadata: – labels: # labels to select/identify the deployment – app: hello-world – spec: # pod spec – containers: – – name: hello-world – image: hello-world-image:v1 #…
- $ kubectl expose deployment hello-world-deployment –type=LoadBalancer – – Behind the scenes, it creates a service object (a service is a Kubernetes resource, like a Deployment) and also creates a Google Cloud load balancer.
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