use GOPATH for migration script; update postgraphile to watch db schema

postgraphile/spec/server/runtime.spec.ts

@@ -27,6 +27,7 @@ describe('bootServer', () => {
       middleware: jasmine.createSpyObj<PostgraphileMiddleware>(['call']),
       options: { 
         pluginHook: jasmine.createSpy('pluginHook'),
+        watchPg: true,
         simpleSubscriptions: true,
         graphiql: true,
         webSocketMiddlewares: [] },

postgraphile/src/adapters/postgraphile.ts

@@ -11,6 +11,7 @@ export interface PostgraphileMiddleware extends RequestHandler {}
 export interface PostgraphileOptions {
   pluginHook: PluginHookFn,
   simpleSubscriptions: boolean;
+  watchPg: boolean;
   graphiql: boolean;
   // NOTE (jchristie@8thlight.com) Shape of the middlewares is not
   // currently important to this application, but if a need arises,

postgraphile/src/server/config.ts

@@ -27,6 +27,7 @@ export function buildServerConfig(
   const options: PostgraphileOptions = {
     pluginHook: pluginHook,
     simpleSubscriptions: true,
+    watchPg: true,
     graphiql: true,
     webSocketMiddlewares: [
       expressSessionHandler,

scripts/create_migration

@@ -2,7 +2,7 @@
 
 if [ $# -eq 1 ]
 then
-  $GOBIN/migrate create -dir ./db/migrations -ext sql $1
+  $GOPATH/bin/migrate create -dir ./db/migrations -ext sql $1
 else
   echo "**An Error Occurred**"
   echo "Usage: ./scripts/create_migration <migration-name>"