Prepare Dockerfile and Railway deployment configuration

.railway/turl.toml

@@ -0,0 +1,15 @@
+[build]
+builder = "DOCKERFILE"
+dockerfilePath = "./Dockerfile"
+
+[deploy]
+preDeployCommand = [
+    "uv run --no-sync --no-dev alembic upgrade head"
+]
+startCommand = """
+    sh -c '
+        gunicorn -k uvicorn.workers.UvicornWorker source.app:app --bind 0.0.0.0:$PORT --workers $WORKERS
+    '
+"""
+
+healthcheckPath = "/status"

Dockerfile

@@ -0,0 +1,32 @@
+FROM python:3.13-slim
+
+ARG APP_DIR=/source
+WORKDIR ${APP_DIR}
+
+ENV PATH=${APP_DIR}/.venv/bin:${PATH} \
+	PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1
+
+# Install gettext (for compiling messages to other languages) and uv (single static binary) and clean up
+RUN apt-get update && apt-get install -y --no-install-recommends curl ca-certificates \
+    && curl -LsSf https://astral.sh/uv/install.sh | env UV_INSTALL_DIR=/usr/local/bin sh \
+    && apt-get purge -y curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy dependency files first for better layer caching
+COPY pyproject.toml uv.lock ./
+
+# Install dependencies
+RUN uv sync --frozen --no-dev
+
+# Copy source code
+COPY source/ ./source/
+COPY alembic.ini ./alembic.ini
+COPY alembic/ ./alembic/
+
+# Expose port (Railway will set PORT environment variable)
+EXPOSE 8000
+
+# Add health check
+HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:${PORT:-8000}/status || exit 1

pyproject.toml

@@ -10,6 +10,7 @@ dependencies = [
     "fastapi>=0.116.1",
     "fastapi-throttle>=0.1.8",
     "greenlet>=3.2.4",
+    "gunicorn>=23.0.0",
     "httpx>=0.28.1",
     "pydantic>=2.11.7",
     "pydantic-settings>=2.10.1",

source/app.py

@@ -12,7 +12,7 @@ def create_app() -> FastAPI:
     application = FastAPI(
         name="tURL",
         description="Tiny microservice for shortening URLs.",
-        docs_url="/swagger",
+        docs_url=None,
         redoc_url="/docs",
         dependencies=[
             Depends(RateLimiter(times=settings.rate_limit_requests, seconds=settings.rate_limit_window_seconds)),