DevOps Project: Build Dockerfile , create image and run container | Git, GitHub, Jenkins & Docker

DevOps Project: Build Dockerfile and run container out of the image | Git, GitHub, Jenkins and Docker | CI/CD automation with Jenkins.
Build the Dockerfile, create image and deploy the application into the container.
The application used in this project is available in my GitHub Repo, you can clone the repo and start working.
Repo:
github.com/ran...
#Jenkins #CI #CD #AWS #EC2 #Automation #DevOps #Docker #Container
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[@mohammedcementwala5657]

great project for beginners to understand how CI/CD works. great job!!

[@RanjitSwain]

Thank you for nice comment. Glad this project could help the aspirants!

[@jaydeepdutta9465]

In short a perfect project to practice. Thanks for uploading this 😊

[@RanjitSwain]

Hi Jaydeep, thanks for your valuable comments.

[@shashavali1502]

Awesome bro, good explanation and keep make complete devOps flow completely .....

[@RanjitSwain]

Thanks Shasha for writing! I will make more on this shortly.

[@yomajo]

jenkins is running on.. remote cloud machine here at port 8080? How is it secured? Seems unsafe to have unencrypted port exposed to internet.

[@RanjitSwain]

Thanks for your comment. This is just demo to show how it works. You can secure it.

[@ayencoscolfield3312]

This was awesome good thinking a great project for guys to practice, thanks for uploading this 👍

[@RanjitSwain]

Thanks Ayenco for your valuable comments. I'm glad it helped you!

[@ayencoscolfield3312]

Would love to see this deployed into kubernetes at some points with ingress controller, hope you have that in mind, but all the same this was really a great project , thanks once again👍👍👍

[@RanjitSwain]

Great suggestion! I will try to make one soon. Thank you.

[@worldbankofvideos8643]

nice

[@RanjitSwain]

Thanks

[@gokurulezz]

Sir please make a video starting from scratch for beginners

[@RanjitSwain]

Thanks for your valuable comment. I will make one such project from scratch for the beginner.

[@moinsyed195]

Bro awesome, can you make same video including Ansible

[@RanjitSwain]

Thank you for your comment. I will make one shortly.

[@suryamohanty7465]

docker4ranjit/webappdemo - which image , means it's a tomcat image .you run tomee image in that

[@RanjitSwain]

Yes, the base image is the tomcat image. You can find the repo in GitHub link below 👇 github.com/ranjit4github/devOpsWeb

[@vinayakav1285]

Amazing bro can u make complete DevOps flow like Git --Jenkins----Ansible---Docker

[@RanjitSwain]

Thank you for your comment. I will make one shortly.

[@user-sf1ym5yj8b]

I have one confusion. When you first run the containers it’s running on 8282,8383. But after changing the code when you try to redeploy the containers shouldn’t it be failed to run becuase both ports are in use already. So either we have to stop the running containers manually or need to do something in the jenkins file. What steps did you do sir.. Because manually doing it should not be the case.

[@RanjitSwain]

Hi, yes, if a port is used already then the new container with same port will not work. Here in Jenkins, we have to first terminate the existing container and then recreate it.

[@missycutie_]

Hi, could i ask you the way I can get the public ip? What if my docker server is set up on my local host, I use ubuntu btw. Thanks in advanced

[@RanjitSwain]

Hi, sorry for the late reply, if the docker is setup in local host then u can access it by using localhost or, ur local machine ip

[@rameshpaudel8538]

I'm getting error [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ devOpsWeb --- [INFO] Changes detected - recompiling the module! [INFO] Compiling 1 source file to /var/lib/jenkins/workspace/1 Maven project/target/classes [INFO] ------------------------------------------------------------- [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] Source option 5 is no longer supported. Use 6 or later. [ERROR] Target option 1.5 is no longer supported. Use 1.6 or later. [INFO] 2 errors What version of JDK and Maven to use? I don't know anything about JAVA if i can look on the POM.xml to determine those?

[@rameshpaudel8538]

Adding this on pom.xml worked 1.8 1.8

[@ashutoshkumar7275]

Hi Ranjit, I am getting below error when jenkins job is running, please suggest. ERROR: Tag must follow the pattern '^:[a-zA-Z0-9_]([a-zA-Z0-9_.-]){0,127}' ERROR: Tag must follow the pattern '^:[a-zA-Z0-9_]([a-zA-Z0-9_.-]){0,127}'

[@RanjitSwain]

Hi, it seems you might be providing wrong tag or, passing it wrongly

[@ashutoshkumar7275]

@@RanjitSwain It worked, correct tag needed to be provided.

[@jasbircena]

maven not required in jenkins server ??

[@RanjitSwain]

Thanks for writing ✍️ Yes Maven should be installed in Jenkins server. Not only Maven, you need Java and Git also to be installed. All the pre-requisites required before setting up the project.

[@worldbankofvideos8643]

container is created in linux ? but u created in execute shell in jenkins.

[@RanjitSwain]

Yes, as the Jenkins container is the Linux one, I executed the shell command

[@kksaxena1550]

How we can integrate the nexus repo for storing the images of docker

[@RanjitSwain]

Thank you for writing. You can use 'Nexus Artifact Uploader' plugin to upload into Nexus repo.

[@suryamohanty7465]

Ssh root 65.2.140.131 - in this machine docker is install or not

[@RanjitSwain]

Hi, thanks for writing! Yes, the docker must be installed to execute the docker command from Jenkins server.

[@suryamohanty7465]

This 65.2.140.131 - this private ip or public ip

[@RanjitSwain]

@@suryamohanty7465 public ip

[@suryamohanty7465]

But I get this message when I build Docker build and publish marked build as failure,

[@RanjitSwain]

@@suryamohanty7465 please paste the error or, call me 9176960215

[@suryamohanty7465]

Ssh root@ip address - this is the tomcat server?

[@RanjitSwain]

Hi Surya, thanks for writing! This is the server where the container will get created. Yes, those containers have the tomcat server inside. If you have any further doubt or, concerns pls do let me know.

[@michaelajiri]

Hello Ranjit. Thanks for the tutorial. But I could not access my remote server IP address from Jenkins. Please look at the shell command if its correct or I need to do something else: sh 'ssh root@ "docker run -d --rm -p 8080:8080 --name core_api wealthmarket/wealthmarket_core-api:core-api"'

[@RanjitSwain]

Hi Michael, You need to first setup the connection between the Jenkins and the node machine where you want to create the container. You need to share the public key of the root user from Jenkins to the node machine. You can follow the below link to do the setup. kzbin.info/www/bejne/ZmSngZKGYqZooK8

[@michaelajiri]

@Ranjit Swain please which tutorial can show me this better without much confusion. I am new to DevOps. Most especially Jenkins. Maybe I should explain my workflow. My springboot web app is hosted on DigitalOcean droplet and it is containerized. While my Jenkins docker blue ocean is also hosted on another DigitalOcean droplet. I have been able to integrate the app with GitHub and push to Dockerhub. Here are my declarative pipeline workflow: 1. First stage is mvn clean install 2. Second stage is build the docker image 3 Third stage is build image to dockerhub and it has two steps: * login to dockerhub * push image to dockerhub 5. Fourth stage is pull image from dockerhub by ssh into the remote server where I hosted the springboot webapp 5. Fifth is to ssh into the remote server where I hosted the springboot webapp and run the app that has been recently pulled. The workflow from the first stage to the third stage is going through but when it gets to the fourth it fails and it's as a result of the connection to the remote server from Jenkins. Please, how can this be resolved? Much thanks.

[@vatsalajandrotia3226]

Can you please help me Project Create a Docker file in project that build docker image for node JS application

[@RanjitSwain]

Hi @vatsalajandrotia3226, thanks for writing. Very soon I will upload a video on NodeJS application.

[@rajeshaachari6690]

Bro send me target file..

[@RanjitSwain]

Hi, you get the target file once you build the project in Jenkins.