Tino S. aka "Nox" pandorasNox

Run these commands in a directory devoted to your project:

mkdir project_foo
cd project_foo
git clone --bare [email protected]:yourorg/project_foo.git .bare
echo "gitdir: ./.bare" > .git

Now edit .bare/config, adding fetch = +refs/heads/*:refs/remotes/origin/* below [remote "origin"]

Using git credential store for non-interactive operations over https, without exposing password in remote URL (save, retrieve passwords)

Demoing git credential store usage in CI/CD context - i.e. https non-interactive:

# using yaml alias - referencing a single value
test: &ref "foobar"
bar: *ref

# works also with bigger objects
bob: &bob
 isPerson: true

# .gitlab-ci.yml

image: alpine:latest

only on branches:
 rules:

tags are normally used to discribe versions
working mostly like git tags
BUT have the same issue like git tag as that it is a changeable reference, although normally one should not change such tag reference
- in reality though we have observed it multiple times that the underlying image to a tag changed
- assumption in some cases was, that a fixup or similar was applied backwards
- but this broke enough deployments for us to show an issue
a possible solution:

(official definition): Kubernetes is a portable, extensible, open source platform for managing containerized workloads and services, that facilitates both declarative configuration and automation.
insimpler terms: it's a container orchestrator (which mainly manages containers)
it support a distributed cluster architecture
- where a cluster describes a collection of multiple nodes/server (normally 3/5/7... consensus relevant)
- as it useses, to store the cluster state, the etcd distributed key-value store, which under the hood uses the Raft consensus algorithm
- with that it manages containers across the cluster, so across all the nodes
it normally is used distributed but also can run as a single node instance, mostly for development purpose

docker-compose

everything you learn you actually already know
- it's absolutly the same as with just docker
- only difference is, it's more declerative
let's learn and compare pure docker vs docker-compose

agenda

Why?

What?

devops is a cultural movement