Docker Content Trust

by | Jul 18, 2020 | Docker

Docker Content Trust feature enables your environment to run only with signed images. In this way, Docker Content Trust ensures that the docker pulls only signed containers from the docker registry. Once enabled, Docker Content Trust is active for all docker pull...

Docker, networks, subnets and IP address pools

by | Jul 12, 2020 | Docker

Docker uses default address pools to create subnets. For most use cases, the shipped defaults fit. But sometimes they cause conflicts with existing networks or subnets. Overlapping networks may conflict with existing systems. Or a large number of docker networks...

Docker networks and subnets

by | May 18, 2020 | Docker

Docker uses default address pools to create subnets. For most use cases, the shipped docker subnet defaults fit. But sometimes the docker subnets cause conflicts with existing networks or subnets. Overlapping networks may conflict with existing systems. Or a large...

Software containerization with docker reviewed

by | Feb 29, 2020 | Docker

Docker software containerization reviewed Putting Software into containers seems to be state of the art. But what are the benefits? Are there any drawbacks? Most people have heard about docker technology. And not less have used docker. But we are looking towards more...

Openshift mount files to pods

by | Dec 15, 2019 | Big Data

Openshift offers many possibilities to embed files in pods. Furthermore, there are many reasons to include files in pods. So, embedding configuration files is a powerful mechanism. In this way, unchangeable containers become populated with dynamic content. In brief,...

Jenkins Pipeline for server less builds

by | Aug 31, 2019 | Big Data

Jenkins supports using docker container engine. As result, Jenkins pipelines are going towards server less builds. Using the built-in docker plugin in pipelines is pretty simple. In that way, pipeline performs native calls to docker. And in consequence, docker is...
Service Mesh architecture explained

Service Mesh architecture explained

by | Aug 7, 2019 | Big Data

The term of service mesh is on every ones lips. Many people consider it synonymous with istio. But that is not correct at all. Of course, istio implements a service mesh. Independant from istio there exist different solutions. But what is a service mesh architecture?...
How GIT uses Key Value Store Concept

How GIT uses Key Value Store Concept

by | Jul 14, 2019 | Big Data

GIT is a famous and powerful SCM for professionals. Behind the scenes it is a simple key value store. This article covers, how GIT uses key value store concepts. All high level operation rely on this basic. In this way, if you know how git uses key value store...