split per app

migrations/00000-init.js

@@ -1,15 +1,29 @@
 'use strict';
 
-async function up (knex) {
+async function create_app (knex) {
+  await knex.schema.createTable ('app', (table) => {
+    table.increments ('id');
+    table.string ('name');
+  });
+}
+
+async function create_log (knex) {
   await knex.schema.createTable ('log', (table) => {
     table.increments ('id');
-    table.string ('app');
+    table.integer ('app_id')
+      .references ('id')
+      .inTable ('app');
     table.string ('message');
     table.json ('data');
     table.timestamp ('timestamp');
   });
 }
 
+async function up (knex) {
+  await create_app (knex);
+  await create_log (knex);
+}
+
 function down () {
   // noop
 }