Use nixpacks+gunicorn for Railway, keep Dockerfile for Fly.io/compose

Author: level09

nixpacks.toml

@@ -0,0 +1,6 @@
+# Railway-specific build configuration
+# Railway uses Nixpacks by default, which auto-detects Python
+# This overrides the start command to use gunicorn (which auto-binds to $PORT)
+
+[start]
+cmd = "gunicorn run:app --workers 2 --threads 2"

railway.toml

@@ -1,6 +1,5 @@
 [build]
-builder = "dockerfile"
-dockerfilePath = "Dockerfile"
+builder = "nixpacks"
 
 [deploy]
 healthcheckPath = "/"