1562751083
Deploy multiple microservices depending on each other for packages to docker container
I have to deploy microservices in java to docker container and these microservices depend on each other for packages to build. Like application a has the base packages required by other applications b,c and d so i can't do mvn clean install docker:build to build b,c and d without a. I am new to docker and can someone suggest me how to approach this problem.
I am using docker plugins in pom file and then using mvn clean install -d docker:build to make docker image.
#java #docker #microservices
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There are different solutions to this problem:
- Using maven (or gradle) you can create a maven project for common classes and import it in the other project as a dependency
- Duplicate code in different projects. While this seems not a good solution it completely separate dependency between projects. Each project must be seen from the others as a black box so you shouldn’t know anything about its internal code. For example You should be able to change the programming language of a single docker without affecting the beahaviour of the whole environment.
Updated answer: To use the maven dependencies the steps are:
- Using maven (or gradle) you can create a maven project for common classes and import it in the other project as a dependency
- Duplicate code in different projects. While this seems not a good solution it completely separate dependency between projects. Each project must be seen from the others as a black box so you shouldn’t know anything about its internal code. For example You should be able to change the programming language of a single docker without affecting the beahaviour of the whole environment.
1562751083
Deploy multiple microservices depending on each other for packages to docker container
I have to deploy microservices in java to docker container and these microservices depend on each other for packages to build. Like application a has the base packages required by other applications b,c and d so i can't do mvn clean install docker:build to build b,c and d without a. I am new to docker and can someone suggest me how to approach this problem.
I am using docker plugins in pom file and then using mvn clean install -d docker:build to make docker image.
#java #docker #microservices
1602317778
Ever Wondered Why We Use Containers In DevOps?
At some point we’ve all said the words, “But it works on my machine.” It usually happens during testing or when you’re trying to get a new project set up. Sometimes it happens when you pull down changes from an updated branch.
Every machine has different underlying states depending on the operating system, other installed programs, and permissions. Getting a project to run locally could take hours or even days because of weird system issues.
The worst part is that this can also happen in production. If the server is configured differently than what you’re running locally, your changes might not work as you expect and cause problems for users. There’s a way around all of these common issues using containers.
What is a container
A container is a piece of software that packages code and its dependencies so that the application can run in any computing environment. They basically create a little unit that you can put on any operating system and reliably and consistently run the application. You don’t have to worry about any of those underlying system issues creeping in later.
Although containers were already used in Linux for years, they became more popular in recent years. Most of the time when people are talking about containers, they’re referring to Docker containers. These containers are built from images that include all of the dependencies needed to run an application.
When you think of containers, virtual machines might also come to mind. They are very similar, but the big difference is that containers virtualize the operating system instead of the hardware. That’s what makes them so easy to run on all of the operating systems consistently.
What containers have to do with DevOps
Since we know how odd happenings occur when you move code from one computing environment to another, this is also a common issue with moving code to the different environments in our DevOps process. You don’t want to have to deal with system differences between staging and production. That would require more work than it should.
Once you have an artifact built, you should be able to use it in any environment from local to production. That’s the reason we use containers in DevOps. It’s also invaluable when you’re working with microservices. Docker containers used with something like Kubernetes will make it easier for you to handle larger systems with more moving pieces.
#devops #containers #containers-devops #devops-containers #devops-tools #devops-docker #docker #docker-image
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Docker Tutorial for Beginners 8 - Build and Run C++ Applications in a Docker Container
Docker is an open platform that allows use package, develop, run, and ship software applications in different environments using containers.
In this course We will learn How to Write Dockerfiles, Working with the Docker Toolbox, How to Work with the Docker Machine, How to Use Docker Compose to fire up multiple containers, How to Work with Docker Kinematic, Push images to Docker Hub, Pull images from a Docker Registery, Push stacks of servers to Docker Hub.
How to install Docker on Mac.
#docker tutorial #c++ #docker container #docker #docker hub #devopstools
1602964260
50+ Useful Kubernetes Tools for 2020 - Part 2
Introduction
Last year, we provided a list of Kubernetes tools that proved so popular we have decided to curate another list of some useful additions for working with the platform—among which are many tools that we personally use here at Caylent. Check out the original tools list here in case you missed it.
According to a recent survey done by Stackrox, the dominance Kubernetes enjoys in the market continues to be reinforced, with 86% of respondents using it for container orchestration.
And as you can see below, more and more companies are jumping into containerization for their apps. If you’re among them, here are some tools to aid you going forward as Kubernetes continues its rapid growth.
#blog #tools #amazon elastic kubernetes service #application security #aws kms #botkube #caylent #cli #container monitoring #container orchestration tools #container security #containers #continuous delivery #continuous deployment #continuous integration #contour #developers #development #developments #draft #eksctl #firewall #gcp #github #harbor #helm #helm charts #helm-2to3 #helm-aws-secret-plugin #helm-docs #helm-operator-get-started #helm-secrets #iam #json #k-rail #k3s #k3sup #k8s #keel.sh #keycloak #kiali #kiam #klum #knative #krew #ksniff #kube #kube-prod-runtime #kube-ps1 #kube-scan #kube-state-metrics #kube2iam #kubeapps #kubebuilder #kubeconfig #kubectl #kubectl-aws-secrets #kubefwd #kubernetes #kubernetes command line tool #kubernetes configuration #kubernetes deployment #kubernetes in development #kubernetes in production #kubernetes ingress #kubernetes interfaces #kubernetes monitoring #kubernetes networking #kubernetes observability #kubernetes plugins #kubernetes secrets #kubernetes security #kubernetes security best practices #kubernetes security vendors #kubernetes service discovery #kubernetic #kubesec #kubeterminal #kubeval #kudo #kuma #microsoft azure key vault #mozilla sops #octant #octarine #open source #palo alto kubernetes security #permission-manager #pgp #rafay #rakess #rancher #rook #secrets operations #serverless function #service mesh #shell-operator #snyk #snyk container #sonobuoy #strongdm #tcpdump #tenkai #testing #tigera #tilt #vert.x #wireshark #yaml
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Docker Explained: Docker Architecture | Docker Registries
Following the second video about Docker basics, in this video, I explain Docker architecture and explain the different building blocks of the docker engine; docker client, API, Docker Daemon. I also explain what a docker registry is and I finish the video with a demo explaining and illustrating how to use Docker hub
In this video lesson you will learn:
- What is Docker Host
- What is Docker Engine
- Learn about Docker Architecture
- Learn about Docker client and Docker Daemon
- Docker Hub and Registries
- Simple demo to understand using images from registries
#docker #docker hub #docker host #docker engine #docker architecture #api