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Google's debian-based distroless is fascinating: https://github.com/GoogleContainerTools/distroless
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Please check out https://github.com/NixOS/rfcs/pull/109 !
I absolutely agree language-specific package managers need better support. Nix RFC 109 is a simple-stupid way to get some "important from derivation" in Nixpkgs, so we can collectively dogfood them "lang2nix" tools and finally make them good.
It is really sad to me that many users understandly think "hmm, C is crazy, surely this Nix should be even better with more uniform language ecosystems packages!", only to die on the hell of the lang2nixs all being just not quite good enough. This is huge stumbling block for developement shops that try to use Nix that I want to see removed!
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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Yeah, we use built a tool for managing postgresql databases with nix. It's called schematic: https://gitlab.com/deltaex/schematic
We've been using it in prod for a couple years. There's couple dozen production deployments outside my company as well. It's open source, MIT licensed. It doesn't have documentation yet, so it's currently only for people that don't mind reading the source or have talked to us directly about it.
It uses Nix because postgresql has C extensions, which can depend on anything in the software universe. Schema depends on extensions, so it's not technically possible to separate schema migrations from Nix without duct tape abd glue. So schematic is a sort of "distribution" of PostgreSQL that has a package manager (for extensions, schema, content, etc), and manages revisions.
If this is interesting to others here, I can do a "Show HN" post after getting the docs in order.
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krops
Mirror of https://cgit.krebsco.de/krops/about/ (PRs / issues accepted, as can be seen by not having them disabled)
For others interested in deploying like this, this approach sounds exactly like what krops does. Krops is similar to Morph, except it does the derivative building on the remote host.
It is very simple and works great. Deploying from macOS to NixOS is possible as well.
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multi-env-deploy
Complete example of deploying complex web apps to AWS using Terraform, Ansible, and Packer
AWS has a fine stack for deploying "cloud native" apps on top of EC2 instances.
Build a base AMI using Packer and launch it to an Auto Scaling Group behind a load balancer. Deploy code to the ASG using CodeDeploy. Use RDS for the database.
This is a good match for languages that have good concurrency like Elixir. They benefit from deploying to big machines that have a lot of CPU cores, and keeping a common in-memory cache on the EC2 instance is more efficient than using an external cache like Elasticache. It also works well for resource-hungry systems with poor concurrency like Ruby on Rails. Putting these kinds of apps into big containers is just a waste of money.
Here is a complete example of that architecture using Terraform: https://github.com/cogini/multi-env-deploy
Similarly, bare metal can be really cost-effective. For $115/month, I can get a dedicated server with 24 VCPU cores (2x Intel Hexa-Core Xeon E5-2620 CPU), 64 GB RAM, 4x8 TB SATA, 30 TB traffic (see https://www.leaseweb.com/dedicated-servers#NL). That would be an order of magnitude more expensive on AWS with containers.
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Honestly I miss riff-raff :D
For anyone who doesn't know about it: https://github.com/guardian/riff-raff
