feat(cli): run migrations and app in start command (#284)

* feat: perform pending migrations in start command

* feat: log error when DB connection is refused

* feat: log error when Redis connection is refused

* refactor: fix type errors

* fix: correct server and copy graphql schema

* fix: differentiate migrations by env

* chore: remove dev executable

* chore: fix typo in default postgresUsername

* fix: copy json files into dist folder

* chore(cli): add dev script

* chore: pull non-dev logs to info level

* feat(cli): run app in start command

* fix(backend): remove default count in Connection

* fix(cli): remove .eslintrc usage in lint script

* refactor: remove disableMigrationsListValidation

* refactor: make Step optional in ExecutionStep

* refactor: make Flow optional in Step

packages/backend/src/server.ts

@@ -0,0 +1,9 @@
+import app from './app';
+import appConfig from './config/app';
+import logger from './helpers/logger';
+
+const port = appConfig.port;
+
+app.listen(port, () => {
+  logger.info(`Server is listening on ${port}`);
+});