Add DB migrations step into Docker start script

CHANGELOG.md

@@ -18,6 +18,7 @@
 - [#4401](https://github.com/blockscout/blockscout/pull/4401) - Fix displaying of token holders with the same amount
 
 ### Chore
+- [#4516](https://github.com/blockscout/blockscout/pull/4516) - Add DB migrations step into Docker start script
 - [#4497](https://github.com/blockscout/blockscout/pull/4497) - Handle error in fetch_validators_list method
 - [#4444](https://github.com/blockscout/blockscout/pull/4444) - Main page performance cumulative update
 - [#4439](https://github.com/blockscout/blockscout/pull/4439), - [#4465](https://github.com/blockscout/blockscout/pull/4465) - Fix revert response in contract's output

docker/Makefile

@@ -329,7 +329,7 @@ start: build postgres
 	@docker run --rm --name $(BS_CONTAINER_NAME) \
 					$(BLOCKSCOUT_CONTAINER_PARAMS) \
 					-p 4000:4000 \
-					$(DOCKER_IMAGE) /bin/sh -c "mix phx.server"
+					$(DOCKER_IMAGE) /bin/sh -c "mix do ecto.create, ecto.migrate; mix phx.server"
 
 run: start