Dagger
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
3recommend
0warn against
Dec 14, 2025first mention
Oct 24, 2026latest mention
Why people recommend it
“Yes, I use Dagger, it's much more than building containers”
“it’s got the same attention to CLI detail as Docker 1.0 did :-)”
works on environmental scienceon “Docker is weird”
Show 3 more
“replace my harness builtin tools with Dagger based implementation”
“I used dagger for the sandbox in my personal harness.”
Caveats and dissent
No one in these comments warned against it.
Often compared with
Who recommends it in their own words
From the makers not counted in the ranking
“So increasingly I find myself using Dagger instead of Docker, in the context of my CI pipelines.”
“we are rolling back this messaging and refocusing on CI/CD again”
Dagger team memberon “I Hate GitHub Actions with Passion”
Threads where it came up
- Docker is weird 3 mentions
- Roku developer repositories moved from GitHub to GitLab 2 mentions
- LLM says something, my tool track if it followed its promise on tools 1 mention
- Pi Durable 1 mention
- Evolving programming languages in the AI era 1 mention
- Ask HN: How do you gate an autonomous coding agent's shell access? 1 mention
Data: dagger.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 20
“I haven't used Dagger but it looks like a fundamentally different design from traditional CI engines”
“Yes, I use Dagger, it's much more than building containers”
“it’s got the same attention to CLI detail as Docker 1.0 did :-)”
“I'll check out Dagger, sounds interesting.”
“replace my harness builtin tools with Dagger based implementation”
“I'm a happy Dagger user. I use it heavily for GitOps”
“here are two I use”
“I used dagger for the sandbox in my personal harness.”
“I used ADK, Dagger, and a VS Code extension for mine.”
“Dagger.io is in there somewhere to make local CI mirror what happens in the action runner.”
“A custom harness backed by dagger”
“I've been using a similar setup, but based on Dagger.”
“it is a better way (imo) to define, build, and run containers and containerized workflows (not at scale).”
“They are central to my personal dev tool”
“What did you think of Dagger?”
“My stack is built on ADK-go, CUE, Dagger, VSCode, and system prompts derived from Claude Code”
“I use containers via Dagger”
“Dagger has a similar feature”
“I solved this with Dagger and OCI layers, so I get all these same features while also doing so in an isolated environment”
“I thought Dagger had/has a lot of potential to be "AWS-CDK for CI pipelines".”