Merge pull request #32 from dsrhub/zz/add-dsrhub-grpc-header

Add grpc header support

Merge pull request #27 from dsrhub/zz/update-Dockerfile

Update dockerfile

Merge pull request #26 from dsrhub/zz/refactor-migration

Refactor migrations

Merge pull request #21 from dsrhub/zz/change-to-apply-dd-at-router

Change to apply dd at router layer

Merge pull request #20 from dsrhub/zz/update-with-service-dd

Update dd WithService

Merge pull request #19 from dsrhub/zz/add-datadog-apm

Add statsd and apm metrics

Merge pull request #18 from dsrhub/zz/add-functional-test

Add functional test

Merge pull request #17 from dsrhub/zz/change-idl

Change idl

Merge pull request #15 from dsrhub/zz/add-grpc-client-plugin

Add grpc plugin

Fix docker-compose