Invalid CMD value for images with HEALTHCHECK

[kumashiro]

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BUG REPORT INFORMATION

Description

When image is built with HEALTHCHECK, Portainer displays its value in CMD field on the image details page. For example, an image with these settings:

$ docker image inspect -f '{{.Config.Cmd}}' c8d8d792a49c
[/home/pushd/server/node_modules/coffee-script/bin/coffee pushd.coffee]

$ docker image inspect -f '{{.Config.Healthcheck}}' c8d8d792a49c
{[CMD-SHELL /usr/bin/curl --fail-early -f --http1.1 -o /dev/null http://127.0.0.1:8082/status || exit 1] 1m0s 30s 3}

has CMD value displayed as:

Steps to reproduce the issue:

1. Grab a beer
2. Create a Dockerfile with HEALTHCHECK
3. Build it
4. Check CMD value on the image details page :)

Technical details:

• Portainer version: 1.12.4
• Target Docker version (the host/cluster you manage): 17.03.1-ce
• Platform (windows/linux): Linux
• Command used to start Portainer (docker run -p 9000:9000 portainer/portainer): doesn't matter
• Target Swarm version (if applicable): N/A
• Browser: doesn't matter