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DevOps : Recent Questions and Answers

Find answers to your questions about DevOps or help others by answering their DevOps questions.

Gitlab CI push to docker-registry fails

I have GitLab server and a separate docker-registry. I have created a testuser with a testpassword. My .gitlab-ci.ymlimage: docker:latestservices: - docker:18.09.7-dind variables: DOCKER_HOST:...

Asked on 11/22/2021 by Sachith Muhandiram

1 answer

Passing replicas number into container

I have a statefulset with an init container which creates openshift objects upon scaling. I need to pass it the replicas number from the same yaml definition.However the replicas...

Asked on 11/20/2021

4 answer

What is the purpose of AssumeRolePolicyDocument in IAM?

I'm confused as to what the purpose of AssumeRolePolicyDocument is.It seems like to create a role all you need is a parent name that you can attach policies to....

Asked on 11/18/2021 by Dr. Chocolate

4 answer

jenkins - gitparam jobdsl - branchFilter

I want to fill branchFilter automatically on Jenkins using JobDSL plugin and language. This is the url of Jenkins Job DSL plugin: I want to select...

Asked on 11/15/2021 by joudaon

1 answer

Who should write Docker files?

Once again company debate rages on who should write Docker files (including compose, interchangeable for this post). The scenario is common in my work (developer and consultant) and I wanted...

Asked on 11/12/2021

3 answer

Logging & Monitoring on multiple servers

I lead a small project with 2 groups of servers (servers in a single group are clones with the same microservices, like pods in the k8s), a balance loader, and...

Asked on 11/12/2021 by AivanF.

1 answer

Why is one not allowed to use a Boolean in a docker-compose.yml?

Defining a boolean in a docker-compose.yml file:environment: SOME_VAR: trueand running docker up results in:contains true, which is an invalid type, it should be a string, number, or...

Asked on 11/07/2021

2 answer

Releasing so many changes at once to production

My company has a mobile app which we release a new update every 2-3 weeks. For each release, there are about 50-60 Jira tickets attached. The amount of code change...

Asked on 11/07/2021 by astroanu

1 answer

How can I check when a subnet was created?

There's an unexpected subnet that isn't anywhere in my project I think it was created manually but I can't find when it was created to help descover what it is...

Asked on 11/04/2021

1 answer

What is a reasonable level of coding expertise expected of an SRE?

SREs and coding is a contentious topic. In most situations, SREs end up spending a lot of time on operational tasks, even while being efficiency and automation focused. This means...

Asked on 08/22/2021 by codeforester

3 answer

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