Go to file
2022-04-05 00:39:04 +00:00
.chglog chore: adjust changelog template to link to prs instead of issues (#31) 2021-12-12 14:02:42 +01:00
.github [skip ci] fix github settings syntax 2021-05-25 18:02:07 +02:00
docker chore(docker): update docker digests to 4edbd2b 2022-04-05 00:39:04 +00:00
.drone.jsonnet improve drone-matrix template 2021-09-22 09:38:28 +02:00
.drone.yml improve drone-matrix template 2021-09-22 09:38:28 +02:00
.gitignore ci: auto-generate changelog (#14) 2021-03-23 20:41:44 +01:00
.prettierignore chore: end of the year maintenance 2021-12-21 10:29:15 +01:00
CONTRIBUTING.md docs: add contributing information 2021-01-04 16:20:19 +01:00
LICENSE chore: end of the year maintenance 2021-12-21 10:29:15 +01:00
README.md chore: replace master by main as default branch 2021-03-27 13:55:00 +01:00
renovate.json chore: use renovate preset config 2021-01-04 16:01:48 +01:00
wait-for format error messages 2020-02-03 23:05:30 +01:00
wait-for.bats enable drone ci 2020-02-03 16:51:44 +01:00

wait-for

Poor-mans docker service synchronizer

Build Status Docker Hub Quay.io 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.

Usage

$ 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

Dependencies

  • Installed Netcat

Examples

To check if google.com is available:

$ ./wait-for google.com:80 -- echo "Google site is up"

Google site is up

To wait for database container to become available:

version: '2'

services:
  db:
    image: postgres:9.4

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

Contributors

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

License

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