Autoformatting breaks Dockerfile with heredoc (for COPY instruction)

[moha-gh]

Hi,

I have a problem that is very similar to #3327. Using v1.25.1 of the extension, a simple Dockerfile that uses heredocs in COPY instructions like this:

FROM alpine:3.18

COPY <<EOF /foo/bar
x
y
z
EOF

COPY <<EOF /bar/foo
a
b
c
EOF

is re-formatted to

FROM alpine:3.18

COPY <<EOF /foo/bar
    x
    y
    z
    EOF

COPY <<EOF /bar/foo
    a
    b
    c
    EOF

which breaks things completely (due to the indentation of the EOF marker).

From the previously mentioned bug report I gather that https://github.com/rcjsuen/dockerfile-utils is used for formatting. If I use the latest upstream release (0.11.0) via docker run rcjsuen/dockerfile-utils, the file is formatted correctly.

Would it be possible to pull in the newer version? Between 0.9.0 which is in use right now AFAIU and 0.11.0 there have been a number of heredoc-related fixes (see here) - and other as well.

[bwateratmsft]

Unfortunately there isn't a version of dockerfile-language-server-nodejs / dockerfile-language-service that uses v0.11.0 of the dockerfile-utils package. So no compatible version exists. It's possible we could override those two packages to force them to use dockerfile-utils 0.11.0, assuming it actually does work.

[alexyaang]

The fix has now been released in Docker extension version 1.26.0