Make the ci-cd issue a topic

* issues/systems/ci-cd.gmi: Move this...
* topics/systems/ci-cd.gmi: ... here.  Also add some of the work done.

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-# CI/ CD for genetwork projects
-
-We need to figure out/ discuss and document how to go about doing the
-whole automated testing and deployment, from pushing code to
-deployment to production.
-
-For a first, we need various levels of tests to be run, from unit
-tests to the more complicated ones like integration, performance,
-regression, etc tests, and of course, they cannot all be run for each
-and every commit, and will thus need to be staggered across the entire
-deployment cycle to help with quick iteration of the code.
-
-## Tags
-
-* assigned: bonfacem, fredm, efraimf, aruni
-* keywords: deployment, CI, CD, testing
-* status: in progress
-* priority: high
-* type: enhancement
-
-## Tasks
-
-As part of the CI/CD effort, it is necessary that there is
-=> ../testing/automated-testing.gmi automated testing.
-
-#### Ideas
-
-GeneNetwork is interested in doing two things on every commit (or
-periodically, say, once an hour/day):
-
-- CI: run unit tests
-- CD: rebuild and redeploy a container running GN3
-
-Arun has figured out the CI part. It runs a suitably configured
-laminar CI service in a Guix container created with `guix system
-container'. A cron job periodically triggers the laminar CI job.
-
-=> https://git.systemreboot.net/guix-forge/about/
-
-CD hasn't been figured out. Normally, Guix VMs and containers created
-by `guix system` can only access the store read-only. Since containers
-don't have write access to the store, you cannot `guix build' from
-within a container or deploy new containers from within a
-container. This is a problem for CD. How do you make Guix containers
-have write access to the store?
-
-Another alternative for CI/ CID were to have the quick running tests,
-e.g unit tests, run on each commit to branch "main". Once those are
-successful, the CI/CD system we choose should automatically pick the
-latest commit that passed the quick running tests for for further
-testing and deployment, maybe once an hour or so. Once the next
-battery of tests is passed, the CI/CD system will create a
-build/artifact to be deployed to staging and have the next battery of
-tests runs against it. If that passes, then that artifact could be
-deployed to production, and details on the commit and
-
-#### Possible Steps
-
-Below are some possible steps (and tasks) to undertake for automated deployment
-
-##### STEP 01: Build package
-
-- Triggered by a commit to "main" branch (for now)
-- Trigger build of the package
-- Run unit tests as part of the build:
-  - This has been done with the laminar scripts under `scripts/laminar` in genenetwork3
-  - Maybe just change the command to ensure only specific tests are run,
-    especially when we add in non-functional tests and the like
-- If the build fails (tests fail, other failures): abort and send notifications to development team
-- If build succeeds, go to STEP 02
-
-##### STEP 02: Deploy to Staging
-
-- Triggered by a successful build
-- Run in intervals of maybe one hour or so...
-- Build the container/VM for deployment: here's the first time `guix system container ...` is run
-- Deploy the container/VM to staging: the details are fuzzy here
-- Run configuration tests here
-- Run performance tests
-- Run integration tests
-- Run UI tests
-- Run ... tests
-- On failure, abort and send out notification to development team
-- On success go to STEP 03
-
-##### STEP 03: Deploy to Release Candidate
-
-- Triggered by a successful deploy to Staging
-- Run in intervals of maybe 6 hours
-- Pick latest successful commit to pass staging tests
-- Build the container/VM for deployment: run `guix system container ...` or reuse container from staging
-- Update configurations for production
-- Run configuration tests
-- Run acceptance tests
-- On failure, abort and send out notification to development team
-- On success go to STEP 04
-
-##### STEP 03: Deploy to Production
-
-- Triggered by a successful Release Candidate
-- Tag the commit as a release
-  - Maybe include the commit hash and date
-    e.g gn3-v0.0.12-794db6e2-20220113
-- Build the container/VM for deployment
-  - run `guix system container ...` or reuse container from staging
-  - tag container as a release container
-- Deploy container to production
-- Generate documentation for tagged commit
-- Generate guix declaration for re-generating the release
-- Archive container image, documentation and guix declaration for possible rollback