From 7a897533099d68930120a77e321cda457b7f2751 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cl=C3=A1udio?= Date: Tue, 23 Jun 2020 11:49:29 +0100 Subject: [PATCH] Include a "new in" tag to templates section The templates script that uses `envsubst` is not available in the current stable version (1.18). Hope this information saves others some debugging time. --- nginx/content.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nginx/content.md b/nginx/content.md index 701bb287d493..15b679a6c088 100644 --- a/nginx/content.md +++ b/nginx/content.md @@ -66,7 +66,7 @@ Then build the image with `docker build -t custom-nginx .` and run it as follows $ docker run --name my-custom-nginx-container -d custom-nginx ``` -### Using environment variables in %%IMAGE%% configuration +### Using environment variables in %%IMAGE%% configuration (new in 1.19) Out-of-the-box, %%IMAGE%% doesn't support environment variables inside most configuration blocks. But this image has a function, which will extract environment variables before %%IMAGE%% starts.