ignore not required files when building test containers

Author: jonasjabari

.dockerignore

@@ -0,0 +1,23 @@
+node_modules/
+spec/dummy/db/*.sqlite3
+spec/dummy/db/*.sqlite3-journal
+spec/dummy/log/*.log
+spec/dummy/node_modules/
+spec/dummy/public/packs/
+spec/dummy/public/packs-test/
+spec/dummy/yarn-error.log
+spec/dummy/storage/
+spec/dummy/tmp/
+builder/db/*.sqlite3
+builder/db/*.sqlite3-journal
+builder/log/*.log
+builder/node_modules/
+builder/yarn-error.log
+builder/storage/
+builder/tmp/
+builder/public/packs
+.idea/
+.vscode
+.byebug_history
+
+/coverage