diff options
Diffstat (limited to 'content/blog/docker/shell-usage-in-dockerfile.md')
| -rw-r--r-- | content/blog/docker/shell-usage-in-dockerfile.md | 16 |
1 files changed, 16 insertions, 0 deletions
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/ |