Add Railway deployment configuration

Author: vtz

backend/Dockerfile

@@ -20,8 +20,8 @@ COPY . .
 RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
 USER appuser
 
-# Expose port
+# Expose port (Railway uses dynamic PORT)
 EXPOSE 8000
 
-# Run the application
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
+# Default command (Railway overrides via railway.toml)
+CMD ["sh", "-c", "uvicorn app.main:app --host 0.0.0.0 --port ${PORT:-8000}"]

backend/app/config.py

@@ -2,6 +2,7 @@
 
 from typing import List, Optional
 from pydantic_settings import BaseSettings, SettingsConfigDict
+from pydantic import field_validator
 from functools import lru_cache
 
 
@@ -18,8 +19,16 @@ class Settings(BaseSettings):
     app_version: str = "0.2.0"
     debug: bool = False
 
-    # Database
+    # Database (Railway uses DATABASE_URL)
     database_url: str = "postgresql://postgres:postgres@localhost:5432/nsr"
+    
+    @field_validator("database_url", mode="before")
+    @classmethod
+    def fix_database_url(cls, v: str) -> str:
+        """Convert postgres:// to postgresql:// for SQLAlchemy compatibility."""
+        if v and v.startswith("postgres://"):
+            return v.replace("postgres://", "postgresql://", 1)
+        return v
 
     # Security
     secret_key: str = "dev-secret-key-change-in-production"

backend/railway.toml

@@ -0,0 +1,11 @@
+# Railway configuration for NSR Backend
+[build]
+builder = "dockerfile"
+dockerfilePath = "Dockerfile"
+
+[deploy]
+startCommand = "alembic upgrade head && python scripts/seed_data.py && uvicorn app.main:app --host 0.0.0.0 --port $PORT"
+healthcheckPath = "/health"
+healthcheckTimeout = 100
+restartPolicyType = "on_failure"
+restartPolicyMaxRetries = 3