wait-for-200
Ultra lightweight container (< 5 MiB) that waits for a HTTP 200 response from a given URL.
External dependencies
- bash-static v5.1.016-1.2.2 - https://github.com/robxu9/bash-static/releases/download/5.1.016-1.2.2/bash-linux-x86_64
- curl-static v7.82.0 - https://github.com/moparisthebest/static-curl/releases/download/v7.82.0/curl-amd64
Usage
Environment variables
- URL - URL to wait for (default: www.google.com)
- TIMEOUT - timeout in seconds (default: 600)
podman run --rm -e URL=http://test.com -e TIMEOUT=200 wait-for-200Build instructions
Prerequisites
- buildah - How to install
- (alternative docker - use
alias buildah=docker)
$ buildah build -t wait-for-200 .
STEP 1/7: FROM scratch
STEP 2/7: WORKDIR /
STEP 3/7: ADD --chmod=0755 https://github.com/robxu9/bash-static/releases/download/5.1.016-1.2.2/bash-linux-x86_64 bash
STEP 4/7: ADD --chmod=0755 https://github.com/moparisthebest/static-curl/releases/download/v7.82.0/curl-amd64 curl
STEP 5/7: COPY --chmod=0755 wait-for-200.sh .
STEP 6/7: ENV PATH="/"
STEP 7/7: ENTRYPOINT [ "bash","-c","wait-for-200.sh" ]
COMMIT wait-for-200
Getting image source signatures
Copying blob bd801d9c5e63 skipped: already exists
Copying config 628341b460 done
Writing manifest to image destination
Storing signatures
--> 628341b4608
Successfully tagged localhost/wait-for-200:latest
628341b460809f31cc5c21e553f7bfd0b8113c9d47bf8a019f26fd6338826301
$ buildah images wait-for-200
REPOSITORY TAG IMAGE ID CREATED SIZE
localhost/wait-for-200 latest 628341b46080 7 seconds ago 4.72 MB