Coasts
Ranked 4 of 5 dev environment managers by recommenders
People recommend Coasts for running several docker-compose runtimes side by side, each assigned to its own git worktree, which makes parallel work easier. Its makers say it is not a sandboxing tool.
People recommend Coasts for running several docker-compose runtimes side by side, each assigned to its own git worktree, which makes parallel work easier. Its makers say it is not a sandboxing tool.
8 people gave an opinion
- recommend it
- 8
- criticize it
- 0
- approval share
- 100%
Recommended in 2 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 8 people recommend itNeeds 10 or more, not met.
- Nobody criticizes itNeeds 2 to 1 or better, met.
- Recommended in 2 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Runs parallel docker-compose runtimes per worktree
“It's for isolating docker-compose runtimes so you can run multiple localhost runtimes and assign them to your various worktrees.”
Comment from 14 Mar 2026 in “Direnv Is All You Need to Parallelize Agentic Programming with Git Worktrees” “This solves the parallel runtime problem well.”
Comment from 31 Mar 2026 in “Show HN: Coasts – Containerized Hosts for Agents” Makes git worktrees much easier to use
“This is really cool, been feeling this pain with worktrees for a while.”
Comment from 31 Mar 2026 in “Show HN: Coasts – Containerized Hosts for Agents” “In my experience it's made worktrees 10x better”
Comment from 16 Mar 2026 in “Ask HN: How is AI-assisted coding going for you professionally?” “I think the ergonomics are just way better.”
Comment from 30 Mar 2026 in “Show HN: Coasts – Containerized Hosts for Agents”
Other dev environment managers people recommend
The four most recommended other dev environment managers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| direnv | 34 | 3 | 92% | 10 | — | Approved |
| devenv | 26 | 2 | 93% | 11 | — | Approved |
| Devbox by Jetify | 10 | 1 | 91% | 5 | — | Approved |
| CoastsThis page | 8 | 0 | 100% | 2 | — | — |
| Flox | 7 | 3 | 70% | 5 | — | — |
What people said
13 of the 15 comments that mention it, newest first. Each links to the original comment.
“fast enough that I never notice any delay”
“This solves the parallel runtime problem well.”
“This is really cool, been feeling this pain with worktrees for a while.”
“Actually pretty reliably but you do need to explicitly call out the skill.”
“This is by far one of the best features we have.”
“the per-service strategy config (none/hot/restart/rebuild) seems like the right abstraction”
“It works fine on mac (that's what we developed it on)”
“I think the ergonomics are just way better.”
“could be interesting to keep it all on your main machine”
“Coasts is not a sandboxing tool and we don't try to be.”
“In my experience it's made worktrees 10x better”
“It's for isolating docker-compose runtimes so you can run multiple localhost runtimes and assign them to your various worktrees.”
“Hey I'm working on this problem (also a YC company but it's FOSS).”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.