some more (stupid) fixes

docker/docker-compose.yml

@@ -13,8 +13,6 @@ services:
     build: .
     container_name: kannon
     restart: unless-stopped
-    depends_on:
-      - "postgres"
     ports:
       - 3000:3000
       - 3001:3001

models/TrackToAlbum.js

@@ -5,7 +5,7 @@ const Base = require('./Base.js');
 
 const tableName = path.basename(__filename, '.js').toLowerCase();
 
-class TrackToAlbum {
+class TrackToAlbum extends Base {
 
     constructor(track, album) {
         super();

models/TrackToArtist.js

@@ -5,7 +5,7 @@ const Base = require('./Base.js');
 
 const tableName = path.basename(__filename, '.js').toLowerCase();
 
-class TrackToArtist {
+class TrackToArtist extends Base {
 
     constructor(track, artist) {
         super();