From 60d3abc6ecdc21b4ab921d34a55b4af48690f55a Mon Sep 17 00:00:00 2001 From: Julien Dessaux Date: Thu, 11 Mar 2021 18:53:14 +0100 Subject: Rewrote the whole website to get rid on a heavy theme --- content/blog/docker/shell-usage-in-dockerfile.md | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 content/blog/docker/shell-usage-in-dockerfile.md (limited to 'content/blog/docker/shell-usage-in-dockerfile.md') diff --git a/content/blog/docker/shell-usage-in-dockerfile.md b/content/blog/docker/shell-usage-in-dockerfile.md new file mode 100644 index 0000000..868fe21 --- /dev/null +++ b/content/blog/docker/shell-usage-in-dockerfile.md @@ -0,0 +1,16 @@ +--- +title: "Shell usage in dockerfile" +linkTitle: "Shell usage in dockerfile" +date: 2019-02-04 +description: > + How to use a proper shell in a dockerfile +--- + +The default shell is `[“/bin/sh”, “-c”]`, which doesn't handle pipe fails when chaining commands. To process errors when using pipes use this : + +{{< highlight sh >}} +SHELL ["/bin/bash", "-eux", "-o", "pipefail", "-c"] +{{< /highlight >}} + +## References +- https://bearstech.com/societe/blog/securiser-et-optimiser-notre-liste-des-bonnes-pratiques-liees-aux-dockerfiles/ -- cgit v1.2.3