commands to initialize a repository on local and push it to github

• initialize git by "git init" command - this creates a .git directory with all needed files
• create new files and add it to staging using "git add ." - adds all the files to staging
• commit the changes using "git commit" command with -m switch
• configure remote using "git remote add origin https://github.com/okuswaha/product-manager.git"
• check if remote exits using "git remote -v" command
• push commit to remote uisng "git push -u origin master"

command to initialize a maven project

mvn archetype:generate -DgroupId={project-packaging} -DartifactId={project-name} -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false

C:\MY_GIT>mvn archetype:generate -DgroupId=com.prakash -DartifactId=product-manager -DarchetypeArtifactId=maven-archetype-quickstart -Dint eractiveMode=false

caution : dont miss ":" or "-"

• Maven configuration : add maven dependency --> io.dropwizard:dropwizard-core:1.0.5
• Define a configuration class : configuration.yaml in project root , and a class that extends Configuration class - maps properties in yaml file
• Define an application class : new productApplication class that extends Application
• Define a representation class : new Representaion class
• Define a resource class : new Resource class
• Registring a resource : register Resource in Application
• Build Application : add maven-shade-plugin and check if the maven-compiler-plugin is set to correct version as java runtime
• Running an Application : java -jar target/product-manager-1.0-SNAPSHOT.jar server configuration.yml
• Application Test URL : http://localhost:8080/product

How to use Jenkinsfile

How to use Dockerfile cd to directoy with Dockerfile run the following command

docker build -t "product-manager:1.0" . this will build and image REPOSITORY TAG IMAGE ID CREATED SIZE product-manager 1.0 212f6fdfef21 48 seconds ago 671MB

now to run :

docker debugging attach shell

docker run -it product-manager:1.0 /bin/sh

run

docker run product-manager:1.0

attach a tty

docker exec -it wonderful_tharp /bin/sh

kill container docker kill d44eccd7fa9b

docker expose port

docker run -d -p 9081:9081 product-manager:1.0

this error mean problem with line ending standard_init_linux.go:211: exec user process caused "no such file or directory"

create a repsoitory in dockerhub tag docker image with the name of the repo

docker tag product-manager:1.0 okuswaha/product-manager:1.0

docker login -u username -p password docker push okuswaha/product-manager:1.0