A container can be created from a name and an image, no other part is
required. Reflect that in the JSON schema, by removing most top-level
required entries. Also remove the hardcoded env-vars from the schema.
Signed-off-by: Enno Tensing <tenno@suij.in>
Add a json-schema generated by www.liquid-technologies.com/online-json-to-schema-converter
modified to remove hard-coded values from the example conifg (like
MySecret1).
Signed-off-by: Enno Tensing <tenno@suij.in>