resolver: Use self-built image

This commit updates the resolver component to use an image that is built
locally.

embed/resources/compose/barrel/.env.sample

@@ -0,0 +1,28 @@
+#######################
+# Meta Settings
+#######################
+
+# Real path for volumes to be stored
+DATA_PATH=/var/www/deploy/instances/example.slug/data
+UTILS_DIR=/var/www/deploy/runtime/utils/
+
+#######################
+### Web Server settings
+#######################
+# the hostname for the website
+VIRTUAL_HOST=example.com
+
+# optional letsencrypt support
+# when blank, ignore
+LETSENCRYPT_HOST=
+LETSENCRYPT_EMAIL=
+
+### SQL settings
+MYSQL_HOST=mysql
+MYSQL_USER=user
+MYSQL_PASS=pass
+
+### GraphDB settings
+GRAPHDB_HOST=graphdb
+GRAPHDB_USER=user
+GRAPHDB_PASS=pass