Adding License and updating Dockerfile #717

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PipelineRun: <a href="https://console.redhat.com/preview/application-pipeline/ns/hcc-integrations-tenant/pipelinerun/sources-api-on-pull-request-5d5l5" rel="nofollow">sources-api-on-pull-request-5d5l5

Success

Red Hat Konflux/sources-api-on-pull-request has successfully validated your commit.

Status	Duration	Name
✅ Succeeded	6 seconds	init
✅ Succeeded	15 seconds	clone-repository
✅ Succeeded	2 minutes	build-container
✅ Succeeded	6 seconds	apply-tags
✅ Succeeded	24 seconds	push-dockerfile
✅ Succeeded	8 seconds	sbom-json-check
✅ Succeeded	8 seconds	deprecated-base-image-check
✅ Succeeded	12 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	23 seconds	sast-snyk-check
✅ Succeeded	53 seconds	clair-scan
✅ Succeeded	35 seconds	clamav-scan
✅ Succeeded	14 seconds	show-summary
✅ Succeeded	5 seconds	show-sbom