40
votes
Accepted
What is an artifact repository?
During development you generate a fair amount of different artifacts. These might include:
The source code
The compiled application
A deployable package
Documentation
and potentially others as well
...
- 1,577
27
votes
Accepted
How does continuous integration relate to continuous delivery / deployment?
Continuous delivery and continuous deployment both take continuous integration one step further, by adding a 'deployment to production' step to the process.
The difference between continuous delivery ...
- 575
18
votes
Accepted
Simple CI/CD Containers in AWS
I would keep the ECS container instances (I'm talking about the Docker hosts - I don't like AWS terminology here) and the deployment as two separate things.
Get your ECS stack up and running. You can ...
- 1,965
17
votes
Accepted
Is there a website that shows the popularity of CI/CD tools?
I normally use stackshare. It doesn't show you usage as reported by the people running the tools but it has a decent community size and seems to be gaining more use rather than less.
It lets you ...
- 1,112
16
votes
Accepted
How to use feature flag toggles?
Feature flags are an engineering device that can be used to avoid long-lived branch and conflicts in product development. Here is how it can be used the context of an object-oriented language to help ...
- 2,650
15
votes
Accepted
What practices or tools enable Continuous Deployment of Databases?
Pramod Sadalage and Scott Ambler wrote a book Refactoring Databases: Evolutionary Database Design that is an incredibly solid primer to the subject of DBs in a CD org/team.
- 314
15
votes
What practices or tools enable Continuous Deployment of Databases?
The Challenges
I am aware that there are practices such as only adding database objects, i.e. tables and columns, never modifying or removing them
At one company I worked for, a rolling window of ...
- 3,742
13
votes
Accepted
What is the difference between DevOps and GitOps?
GitOps is a technique of using Git to manage infrastructure provisioning and software deployments. This technique uses many of the features of Git such as Pull Requests to manage and trigger ...
- 2,762
12
votes
Accepted
Definition of "Done" for DevOps
Instead of Continuous Integration and Continuous Delivery, I would define the definition of done as "Active Continuous Improvement at all levels of the organisation".
The other topics like automated ...
- 8,993
10
votes
Accepted
What is "Push on Green"?
I Googled "Push on Green" and the first link was:
https://www.usenix.org/conference/lisa14/conference-program/presentation/klein
This was representative of almost the entire first page. It looks ...
- 4,068
9
votes
How to synchronize deployments (especially of database object changes) on multiple environments
I would integrate the schema management into the application itself (or along with it).
Any change to the schema should be committed along the application code (and hence tagged also).
There's ...
- 11.4k
9
votes
Accepted
Data Science pipelines and monolithic model blobs
Personally I don't see any reason for which an Artefact Repository - the recommeneded DevOps tool of managing artefacts - wouldn't be applicable to trained neural nets or other artefacts.
The ...
- 6,730
8
votes
What practices or tools enable Continuous Deployment of Databases?
I'd argue a tool alone won't really help unless you shift the schema responsibility to the application team.
We do use liquibase or flyway at work, where the application team is responsible to create ...
- 11.4k
8
votes
Accepted
What exactly are "Truly reproducible builds"?
What exactly are they?
Here is a quote from reproducible-builds.org:
Reproducible builds are a set of software development practices that create a verifiable path from human readable source code ...
- 7,205
7
votes
How to use feature flag toggles?
The steps are quite "easy", to move to a feature flag app you need basically two things:
A flag repository (file/data base/env variable)
Conditional statements to change the behavior according to the ...
- 11.4k
7
votes
What is an artifact repository?
There's repository managers and Universal package repository managers (UPM).
UPM’s can store all your build artifact for Jenkins, teamcity etc. and can generally also act as repository mangers for ...
- 288
7
votes
What practices or tools enable Continuous Deployment of Databases?
We use Flyway at work for managing Postgres schemas in the app, and Pillar for managing Cassandra schemas. We have found it best if the app manages its own schema.
We had a horrible experience ...
- 71
7
votes
Accepted
Does Immutable Servers imply no source code updates on the servers?
No.
Immutable is exactly what it means, immutable, no change on configuration or code running or system library or whatever, if a change has to be made, create a new image and deploy it, never change ...
- 11.4k
7
votes
Accepted
Should developer wait for CI pipeline to complete or start next task after pushing
Sit and watch the pipeline run?
No, that is not how you work efficiently.
Developers push their commits to the source control repository and then the CI/CD pipeline is triggered.
Developers may ...
- 1,025
6
votes
Accepted
How to define failure situation on jenkins
By default Jenkins assumes whether the build is SUCCESS or not from build process exit code.
Which means that build exit with code 0 considered as SUCCESS, rest all are considered as FAILURE.
If ...
- 176
6
votes
Is there a website that shows the popularity of CI/CD tools?
Although not entirely relevant to your question in terms of popularity, devops bookmark is a very nice website which helps discover tools and frameworks in the DevOps landscape.
You are also able to ...
- 933
6
votes
Evolution of DevOps?
I don't view DevOps as a job position. Yes, I also have job offers out there for titles like "DevOps Engineer" [sic], but that just means I am looking for people who mainly can take a team with little ...
- 4,906
6
votes
Accepted
parameter-store values show '***' instead of actual value
The "***" is the masking of parameter store output in your log file. The value is available in the environment variable $MONGODB_URI and can be used to pass along to any command or script that needs ...
- 176
5
votes
How to reconcile Infrastructure as Code and not storing env config in code?
There are, as always, a few ways to solve this.
You can use a central source to keep secrets that each server reads from ala Hashicorp Vault. While popular this is not my preferred approach as its ...
- 745
5
votes
Is there a website that shows the popularity of CI/CD tools?
I really like the Cloud Native Landscape. The tools are categorized in a huge map.
Also you can visit awesome-ciancd for a bunch of tools and a brief explanation about each of them.
- 151
5
votes
Accepted
What OS should a master node CI virtual machine be?
I think the major deciding factor is the expertise of you and the rest of your company in the chosen OS. If you are a Windows shop, and your company is willing to leverage the cost of the node, it's ...
- 3,278
4
votes
Is Elastic Beanstalk suitable for enterprise-grade CD?
IMO opinion your issue isn't with Elastic Beanstalk in that scenario, it's with Jenkins, or at least the way you're using it. You should really concentrate on building "a thing" only once, regardless ...
- 166
4
votes
What's the relevance of periodicity in CI / CD processes?
I would hesitate to describe your once per day model as CI/CD, it sounds more like the "nightly build" model.
It really depends on the nature of your work and processes. If things flow smoothly ...
- 109
4
votes
What's the relevance of periodicity in CI / CD processes?
I would separate the CI and CD contexts, as the periodicity in one of them is rather loosely coupled to the periodicity in the other one.
That's primarily because CI attempts to produce versions of ...
- 6,730
4
votes
How does continuous integration relate to continuous delivery / deployment?
Continuous delivery and continuous deployment (CD) are more or less the same thing*. Every time a change is considered 'good to go' (tested/verified) it should be release immediately. You can do this ...
- 660
Only top scored, non community-wiki answers of a minimum length are eligible