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Templating engine for docker images

Dockerfile 4.11% Makefile 3.24% Shell 1.73% Go 90.92%

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docker_entrypoint's Issues

output filename strips more than .template

If the input filename is server.properties.template like in the README, the output filename is server, not server.properties.

$ env SERVER_PROPERTIES_LISTEN_ADDRESS="localhost" SERVER_PROPERTIES_LISTEN_PORT=8080 SERVER_PROPERTIES_ID=1 go/cmd/bin/docker_entrypoint -template SERVER.PROPERTIES.template /bin/true

results in

-rw-r--r-- 1 hamish hamish   47 Jul  2 15:12 SERVER
-rw-r--r-- 1 hamish hamish   81 Jul  2 11:33 SERVER.PROPERTIES.template

map has no entry for key

No matter what I use for a template I always get an error saying that the template variables are undefined;

Example template

ID {{ .ID }}

Test invocation:

env ID=blah go/cmd/bin/docker_entrypoint -template foo.template /bin/true
foo.template
error rendering template foo.template: template: foo.template:2:6: executing "foo.template" at <.ID>: map has no entry for key "ID"

build fails due to wrong path

Step 6/7 : COPY --from=source /tmp/build/bin/docker_entrypoint /docker_entrypoint
COPY failed: stat tmp/build/bin/docker_entrypoint: file does not exist

The Dockerfile assumes that the built binary will be in /tmp/build/bin but it's in /tmp/build/go/cmd/bin.

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