diff --git a/.drone.star b/.drone.star
index 199bc3b..9039b2b 100644
--- a/.drone.star
+++ b/.drone.star
@@ -35,7 +35,25 @@ def wait(delay, name):
       "sleep {delay}".format(delay = delay),
     ],
   }
-
+def build(name):
+  return {
+        "name": "build-{name}",
+        "image": "docker:dind",
+        "volumes": [
+          {
+            "name": "dockersock",
+            "path": "/var/run",
+          },
+        ],
+        "environment": environment([
+          "local-docker-registry",
+        ]),
+        "commands": [
+          "cd {name}",
+          "docker build . -t $($LOCAL_DOCKER_REGISTRY){name}",
+          "docker push $($LOCAL_DOCKER_REGISTRY){name}",
+        ],
+      }
 def steps(name, dependsOn):
   return {
     "kind": "pipeline",
@@ -49,24 +67,7 @@ def steps(name, dependsOn):
         "ssh-port",
       ]),
       wait(15, "wait"),
-      {
-        "name": "build-postgres",
-        "image": "docker:dind",
-        "volumes": [
-          {
-            "name": "dockersock",
-            "path": "/var/run",
-          },
-        ],
-        "environment": environment([
-          "local-docker-registry",
-        ]),
-        "commands": [
-          "cd guacamole-postgresql",
-          "docker build . -t $($LOCAL_DOCKER_REGISTRY)guacamole-postgresql",
-          "docker push $($LOCAL_DOCKER_REGISTRY)guacamole-postgresql",
-        ],
-      },
+      build("guacamole-postgresql"),
       {
         "name": "build",
         "image": "alpine",