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Robert Kaussow 7c1abfc165
chore: end of the year maintenance
4 weeks ago
.chglog chore: adjust changelog template to link to prs instead of issues (#31) 1 month ago
.github [skip ci] fix github settings syntax 8 months ago
docker chore(docker): update docker digests (#32) 1 month ago
.drone.jsonnet improve drone-matrix template 4 months ago
.drone.yml improve drone-matrix template 4 months ago
.gitignore ci: auto-generate changelog (#14) 10 months ago
.prettierignore chore: end of the year maintenance 4 weeks ago docs: add contributing information 1 year ago
LICENSE chore: end of the year maintenance 4 weeks ago chore: replace master by main as default branch 10 months ago
renovate.json chore: use renovate preset config 1 year ago
wait-for format error messages 2 years ago
wait-for.bats enable drone ci 2 years ago


Poor-mans docker service synchronizer

Build Status Docker Hub GitHub contributors Source: GitHub License: MIT

wait-for is a script designed to synchronize services like docker containers. It is sh and alpine compatible and was forked from eficode/wait-for.

When using this tool, you only need to pick the wait-for file as part of your project.


$ wait-for --help
usage: wait-for host:port [-t timeout] [-- command args]

Synchronize services like docker containers and wait for readiness.

optional arguments:
  -q | --quiet                              Do not output any status messages
  -t WAITFOR_TIMEOUT | --timeout=timeout    Timeout in seconds, zero for no timeout
  -- COMMAND ARGS                           Execute command with args after the test finishes


  • Installed Netcat


To check if is available:

$ ./wait-for -- echo "Google site is up"

Google site is up

To wait for database container to become available:

version: '2'

    image: postgres:9.4

    build: backend
    command: sh -c './wait-for db:5432 -- npm start'
      - db


Special thanks goes to all contributors. If you would like to contribute, please see the instructions.


This project is licensed under the MIT License - see the LICENSE file for details.