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Description
What is devfiles?
"You can use devfiles to automate and simplify your development process by adopting the existing devfiles that are available in thepublic community registry or by authoring your own devfiles to record custom instructions to configure and run your build environment as a YAML-formatted text file." - Seehttps://devfile.io/docs/2.2.2/what-is-a-devfile
Benefits of devfile
Much like the devcontainer spec, devfile spec has a number of features.
Devfiles include the following features:
- Guidance for using runtime images
- Example code
- Build and CI commands
- Deployment options
Devfiles have the following benefits:
- Reduce the gap between development and deployment
- Find available devfile stacks or samples in a devfile registry
- Produce consistent build and run behaviors
Main benefits from these that differ from devcontainer are:
- Not limited to vscode
- Has a catalog of defined templates
- Includes support for starter projects, so bluepints can be built into the spec.
- Interoperability with OpenShift and Gitlab workspaces
- Multi-container development environments (which would be beyond the spec of envbuilder but maybe more for coder as a product)
AI Generated differents
The devfile spec is a vendor-neutral definition for cloud-native dev workspaces, whereas the devcontainer spec is a Docker extension that aims to simplify local development.
- Devfile
- Describes the structure of a cloud-native devworkspace and development environment.
- Can be used to define and manage dev workspaces in any cloud environment.
- Supports a wider range of features, including:
- Multi-container development environments
- Kubernetes-based deployments
- Support for multiple projects and starter projects
- Pluggable tooling integrations
- Devcontainer
- Focused on providing a simple and consistent way to define and manage local development environments for Docker containers.
- Supports a more limited range of features, including:
- Single-container development environments
- Docker-based deployments
- Basic support for project syncing and environment variables
- Typically used for local development on a single machine, not for managing dev workspaces in a cloud environment.
Some examples
Java Spring Boot
schemaVersion:2.1.0metadata:name:java-springbootdisplayName:Spring Boot®description:Java application using Spring Boot® and OpenJDK 11icon:https://raw.githubusercontent.com/devfile-samples/devfile-stack-icons/main/spring.svgtags: -Java -SpringprojectType:springbootlanguage:Javaversion:1.3.0globalMemoryLimit:2674MistarterProjects: -name:springbootprojectgit:remotes:origin:"https://github.com/odo-devfiles/springboot-ex.git"components: -name:toolscontainer:image:registry.access.redhat.com/ubi9/openjdk-17:1.17-1.1705573248command:["tail", "-f", "/dev/null"]memoryLimit:768MimountSources:trueendpoints: -name:http-springboottargetPort:8080 -exposure:nonename:debugtargetPort:5858volumeMounts: -name:m2path:/home/user/.m2env: -name:DEBUG_PORTvalue:"5858" -name:m2volume:size:3Gicommands: -id:buildexec:component:toolsworkingDir:${PROJECT_SOURCE}commandLine:"mvn clean -Dmaven.repo.local=/home/user/.m2/repository package -Dmaven.test.skip=true"group:kind:buildisDefault:true -id:runexec:component:toolsworkingDir:${PROJECT_SOURCE}commandLine:"mvn -Dmaven.repo.local=/home/user/.m2/repository spring-boot:run"group:kind:runisDefault:true -id:debugexec:component:toolsworkingDir:${PROJECT_SOURCE}commandLine:"java -Xdebug -Xrunjdwp:server=y,transport=dt_socket,address=${DEBUG_PORT},suspend=n -jar target/*.jar"group:kind:debugisDefault:true
NextJS project
schemaVersion:2.1.0metadata:name:nodejs-nextjsdisplayName:Next.jsdescription:"Next.js gives you the best developer experience with all the features you need for production: hybrid static & server rendering, TypeScript support, smart bundling, route pre-fetching, and more. No config needed."icon:https://raw.githubusercontent.com/devfile-samples/devfile-stack-icons/main/next-js.svgtags: -Node.js -Next.jsprojectType:Next.jslanguage:TypeScriptprovider:Red Hatversion:1.0.3starterProjects: -name:nodejs-nextjs-startergit:checkoutFrom:revision:mainremotes:origin:https://github.com/devfile-samples/devfile-stack-nodejs-nextjs.gitcomponents: -container:endpoints: -name:http-nextjstargetPort:3000image:registry.access.redhat.com/ubi8/nodejs-16:1-153command:['tail', '-f', '/dev/null']memoryLimit:1024Miname:runtimecommands: -exec:commandLine:npm installcomponent:runtimegroup:isDefault:truekind:buildworkingDir:${PROJECT_SOURCE}id:install -exec:commandLine:npm run devcomponent:runtimegroup:isDefault:truekind:runhotReloadCapable:trueworkingDir:${PROJECT_SOURCE}id:run
DotNet project
schemaVersion:2.2.0metadata:name:dotnet-basicdisplayName:Basic .NETversion:1.1.1icon:https://github.com/dotnet/brand/raw/main/logo/dotnet-logo.pngprovider:Red HatsupportUrl:https://github.com/devfile-samples/devfile-support#support-informationlanguage:.NETprojectType:dotnettags: -.NETattributes:alpha.dockerimage-port:8081starterProjects: -name:s2i-examplegit:checkoutFrom:remote:originrevision:dotnet-6.0remotes:origin:https://github.com/redhat-developer/s2i-dotnetcore-exsubDir:appcomponents: -name:dotnetcontainer:image:registry.access.redhat.com/ubi8/dotnet-60:6.0command:['tail', '-f', '/dev/null']mountSources:trueenv: -name:CONFIGURATIONvalue:Debug -name:STARTUP_PROJECTvalue:app.csproj -name:ASPNETCORE_ENVIRONMENTvalue:Developmentendpoints: -name:http-8080targetPort:8080 -name:image-buildimage:imageName:'dotnet-image:latest'dockerfile:uri:docker/DockerfilebuildContext:.rootRequired:false -name:kubernetes-deployattributes:deployment/replicas:1deployment/cpuRequest:10mdeployment/memoryRequest:100Mideployment/container-port:8081kubernetes:uri:kubernetes/deployment.yamlendpoints: -name:http-8081targetPort:8081path:/secure:true -name:kubernetes-serviceattributes:deployment/replicas:1deployment/cpuRequest:10mdeployment/memoryRequest:100Mideployment/container-port:8081kubernetes:uri:kubernetes/service.yamlcommands: -id:buildexec:workingDir:${PROJECT_SOURCE}commandLine:kill $(pidof dotnet); dotnet build -c $CONFIGURATION $STARTUP_PROJECT /p:UseSharedCompilation=falsecomponent:dotnetgroup:isDefault:truekind:build -id:runexec:workingDir:${PROJECT_SOURCE}commandLine:dotnet run -c $CONFIGURATION --no-build --project $STARTUP_PROJECT --no-launch-profilecomponent:dotnetgroup:isDefault:truekind:run -id:build-imageapply:component:image-build -id:deploy-deploymentapply:component:kubernetes-deploy -id:deploy-serviceapply:component:kubernetes-service -id:deploycomposite:commands: -build-image -deploy-deployment -deploy-servicegroup:isDefault:truekind:deploy
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