Use the new postgresql_primary role on andromeda

nodes/andromeda.kosmos.org.json

@@ -24,6 +24,7 @@
     "ipaddress": "46.4.18.160",
     "roles": [
       "base",
+      "postgresql_primary",
       "mastodon",
       "ejabberd"
     ],
@@ -73,7 +74,6 @@
       "nginx::commons_dir",
       "nginx::commons_script",
       "nginx::commons_conf",
-      "build-essential::default",
       "ark::default",
       "composer::default",
       "composer::install",
@@ -107,7 +107,8 @@
       "tor-full::default",
       "kosmos-base::letsencrypt",
       "git::default",
-      "git::package"
+      "git::package",
+      "build-essential::default"
     ],
     "platform": "ubuntu",
     "platform_version": "18.04",
@@ -128,7 +129,7 @@
     "recipe[kosmos-base::andromeda_firewall]",
     "recipe[kosmos-ipfs]",
     "recipe[kosmos-ipfs::public_gateway]",
-    "recipe[kosmos-postgresql]",
+    "role[postgresql_primary]",
     "recipe[kosmos-mediawiki]",
     "recipe[kosmos-btcpayserver::proxy]",
     "role[mastodon]",