chore: modernize Dockerfile syntax

crccheck / docker-hello-world

Hello World web server in under 2 MB

https://hub.docker.com/r/crccheck/hello-world/

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Closed crccheck closed 5 years ago

crccheck commented 5 years ago

Does a few random tweaks just to modernize the syntax. Adds a simple HEALTHCHECK so tools can evaluate the health of this container.

Closes #10

sachintaksande commented 5 years ago

Thank you for incorporating the health check implementation. It would be quite helpful.