You probably want to use a database outside of Kubernetes. Running the command below will install Backstage. For a list of trademarks of The Linux Foundation, please see our Trademark Usage page: https://www.linuxfoundation.org/trademark-usage, # Assumes Mac + Homebrew; see the minikube site for other installations, $ kubectl apply -f kubernetes/namespace.yaml, $ kubectl apply -f kubernetes/postgres-secrets.yaml, $ kubectl apply -f kubernetes/postgres-storage.yaml, persistentvolume/postgres-storage created, persistentvolumeclaim/postgres-storage-claim created, $ kubectl apply -f kubernetes/postgres.yaml, NAME READY STATUS RESTARTS AGE, backstage postgres-56c86b8bbc-66pt2 -- /bin/bash, $ kubectl apply -f kubernetes/postgres-service.yaml, NAME TYPE CLUSTER-IP EXTERNAL-IP PORT, VG9rZW5Ub2tlblRva2VuVG9rZW5NYWxrb3ZpY2hUb2tlbg==, $ kubectl apply -f kubernetes/backstage-secrets.yaml. pointing to a container registry where built Docker images are hosted. Backstage is in the same way you deploy other software at your organization. Are you sure you want to create this branch? Step 3 - Create a KIND Kubernetes cluster Now that we have a docker image for Backstage, we need somewhere to deploy it. The codebase is divided up into differentfeatures, each owned and maintained by a separate team. Backstage needs a github token in order to authenticate with the github API for tasks like templating new applications and reading the catalog-info.yaml files it uses to store metadata. It used postgres:13.2-alpine Docker image and linked with Postgres storage PersistentVolume. Instead of pushing to a container registry, I side-loaded the container image onto my kind node: If this were a production deployment, you'd want to use a sensible tagging scheme, and push to a real container image registry. Apply the storage volume and claim to the Kubernetes cluster: Now we can create a Kubernetes Deployment descriptor for the PostgreSQL database The application will be able to store data, such as the services in the Backstage catalog, in an in-memory Sqlite3 database. This should be replaced with a cloud volume, network attached storage, or Apply the PostgreSQL deployment to the Kubernetes cluster: Verify the deployment by connecting to the pod: The database pod is running, but how does another pod connect to it? For example, if you have a logging agent that you want to run on every node in your cluster, you could use a DaemonSet to make sure that there is an instance of the . and to write about the experience in order to give others a head start. any trouble, check the container logs from the pod: Like the PostgreSQL service above, we need to As companies grow, their infrastructure systems get messier. This is covered in the Kind docs. or In this article. Deploy your first app on Kubernetes with kubectl. To update the Kubernetes deployment to a newly published version of your Find centralized, trusted content and collaborate around the technologies you use most. Once the application instances are created, a Kubernetes Deployment Controller continuously monitors those instances. Regardless whether you want to create a new library, view service deployment status in Kubernetes, or the test coverage for a website Backstage will provide all of those tools, and many more, in a single developer portal. 2) Then put that Backstage software add-on as part of a cluster blueprint so that it can be a part of your default cluster set-up and provisioning. The Backstage app in this post is by no means meant for production use. It looks like nothing has changed, but this page is being rendered inside our Kubernetes cluster and exposed to the browser. For storing secrets in Git, consider The app directory is the UI code, and the backend directory is the backend code. This tutorial uses version 0.3.7 of the Backstage CLI to create this application. Some resources created by these charts are meant to survive after upgrades and even after uninstalls. I used a pretty straightforward PG on Kubernetes setup: Note that if you write the manifest and apply it separately instead of using a heredoc, you'll want to find a way to interpolate the $POSTGRES_PASSWORD variable. To simplify things, you can use the app-backend plugin to serve the UI directly from the backend. You can find more information about these installations from the Backstage documentations. Thats Backstage. For those who have not heard of it, CDK8S is a software development kit for Kubernetes that allows you to define Kubernetes applications using familiar programming languages like TypeScript,. postgres user. Backstage can be highly customized with using different configuration and plugins. it: There is no special wiring needed to access the PostgreSQL service. An Ingress is one of the most powerful ways to control external access to your resources, granting the ability . on the command line: Note: Secrets are base64-encoded, but not encrypted. These charts depend on the nginx-ingress controller being present in the cluster. But if youdig deeper, youll find that since the very beginning, Spotify has been known for its agile, autonomous engineering culture. Updating a Kubernetes API version for a resource meant updating several charts, making the upgrade process complex and error-prone. Once you have a running Kubernetes cluster, you can deploy your containerized applications on top of it. The Deployment instructs Kubernetes In the majority of cases, the Ingress will rely on an external Load Balancer to accept initial traffic before being routed. Backstage unifies all your infrastructure tooling, services, and documentation with a single, consistent UI. match what we're forwarding here (port omitted in this example since we're using But ultimately, most users are probably going to want to run a Backstage app, for the same reason that most users don't compile Kubernetes to deploy Kubernetes clusters. Open http://localhost:7000 in your browser to check that Backstage is working correctly. This creates from Backstage app deployments, we can create a separate Kubernetes deployment Go ahead and create github personal access token from here. practices. Azure DevOps Services. The Backstage app run with separate Kubernetes namespace. You can create and manage a Deployment by using the Kubernetes command line interface, Kubectl. SealedSecrets or other solutions. Backstage instance. In this post Im gonna discuss about deploying Backstage developer portal with Kubernets. It's basically a "change in progress" as Kubernetes is transitioning a Deployment from an old state to a new state. This follows similar steps as the PostgreSQL deployment. While these files were flexible, they were also very difficult to maintain. This error happens in the backend when it tries to connect to the configured PostgreSQL database and the specified CA is not correct. We cant do it alone. As before, open http://localhost:7000 in your browser to view Backstage. Kubectl uses the Kubernetes API to interact with the cluster. Our homegrown CI system uses Jenkins under the hood, but Spotify engineers dont need to know that. Apply this Deployment to the Kubernetes cluster: Beautiful! All of it! However, over the past few weeks it's come up in conversation with engineers whose opinions I respect, Deploying with Kubernetes. In a production setup you'll want to try to trim that down a bit using something like multi-stage builds. I promise you that whoever wrote those docs knows how to deploy a Backstage app better than a random blog post. As we deployed our charts to clusters hosted in different cloud providers, over time the logic in our chart was becoming more complex. To expose the Postgres to outside I have defined below Kubernets service. ), each engineer requires even more tools and domain-specific knowledge (or disciplines), from backend to machine learning, to mobile and data. If the Node hosting an instance goes down or is deleted, the Deployment controller replaces the instance with an instance on another Node in the cluster. control plane schedules the application instances included in that Deployment to run on individual Nodes in the A Kubernetes deployment is a resource object in Kubernetes that provides declarative updates to applications. AWS Fargate and Aurora PostgreSQL. Backstage documentation shows how to build a Docker image; this tutorial shows how to deploy that Docker image to AWS using Elastic Container Registry (ECR) and Elastic Kubernetes Service (EKS).Amazon also supports deployments with Helm, covered in the Helm Kubernetes example.. NOTE: this volume also stores the configuration for PostgreSQL which includes things like the password for the This Context You can do this using the npx script from the Backstage package: A prompt will first ask you to pick a name for the app, and then a database to use. Backstage can be as simple as a services catalog or as powerful as the UX layer for your entire tech infrastructure. You may see different results if youre using a different version. The view provides you with all the information you need: build progress, test coverage changes, a re-trigger button, etc., so that you dont have to look for this information across different systems. Why does Jesus turn to the Father to forgive in Luke 23:34? instead. Signal is not recognized as being declared in the current scope in Godot 3.5. contributed guide It was built at Spotify and both open sourced and donated to the CNCF in 2020. Following are some different components in the Backstage web. Kubernetes command-line tool. Kubernetes is a popular open source platform for container orchestration, which is the practice of automating many of the operational tasks required of a container's lifecycle, from deployment to retirement. Hence, I prefer Pulumi over Terraform and CDK8S over Helm. Helm was a good tool that provided the flexibility needed to manage workloads, but there were security concerns with Helm2 that prevented us from using the tool. A deployment allows you to describe an application's life cycle, such as which images to use for the app, the number of pods there should be, and the way in which they should be updated. It is simpler and quicker to get set up with Backstage and Sqlite3. Since the open-source version currently does not have any end-to-end use cases, it can be challenging to understand what problems Backstage can solve for you. Following are the main steps of Backstage installation on Kubernets. Backstage is designed to fit this model and run as a stateless application with an external PostgreSQL database. Here we use an image that will run the Nginx web server: kubectl.exe create deployment my-nginx --image nginx. When A workaround is to set appConfig.backend.database.connection.ssl.rejectUnauthorized to false in the chart's values. Copyright 2022 Backstage Project Authors. While there are plenty of great and affordable cloud options, I personally love using kind for testing Kubernetes deployments. Provide a name for the deployment and the container image to deploy. 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