Add config for lndhub postgres/admin

config/database.yml

@@ -13,9 +13,15 @@ development:
   primary:
     <<: *default
     database: db/development.sqlite3
-  # lndhub:
-  #   <<: *default
-  #   database: db/lndhub.sqlite3
+  lndhub:
+    <<: *default
+    adapter: postgresql
+    database_tasks: false
+    host: <%= ENV.fetch("LNDHUB_PG_HOST") { 'localhost' } %>
+    port: <%= ENV.fetch("LNDHUB_PG_PORT") { 5432 } %>
+    database: <%= ENV.fetch("LNDHUB_PG_DATABASE") { 'lndhub' } %>
+    username: <%= ENV.fetch("LNDHUB_PG_USERNAME") { 'lndhub' } %>
+    password: <%= ENV.fetch("LNDHUB_PG_PASSWORD") %>
 
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
@@ -42,8 +48,8 @@ production:
     <<: *default
     adapter: postgresql
     database_tasks: false
-    database: lndhub
-    port: 5432
-    host: <%= Rails.application.credentials.postgres[:host] rescue nil %>
-    username: <%= Rails.application.credentials.postgres[:username] rescue nil %>
-    password: <%= Rails.application.credentials.postgres[:password] rescue nil %>
+    host: <%= ENV.fetch("LNDHUB_PG_HOST") { 'localhost' } %>
+    port: <%= ENV.fetch("LNDHUB_PG_PORT") { 5432 } %>
+    database: <%= ENV.fetch("LNDHUB_PG_DATABASE") { 'lndhub' } %>
+    username: <%= ENV.fetch("LNDHUB_PG_USERNAME") { 'lndhub' } %>
+    password: <%= ENV.fetch("LNDHUB_PG_PASSWORD") %>