chore: retain Render legacy redirect as a separate branch

Dockerfile

@@ -1,55 +1,11 @@
-# ==============================================================================
-# JobHelperGuru Production Multi-Stage Dockerfile
-# Stage 1: Build React Frontend Assets
-# Stage 2: Serve Unified FastAPI Service on Render Free Tier
-# ==============================================================================
+FROM python:3.11-slim
 
-# ------------------------------------------------------------------------------
-# Stage 1: Frontend Builder
-# ------------------------------------------------------------------------------
-FROM node:20-alpine AS frontend-builder
-WORKDIR /app/frontend
-
-# Install dependencies
-COPY frontend/package*.json ./
-RUN npm ci
-
-# Build static bundle
-COPY frontend/ ./
-ARG VITE_GOOGLE_CLIENT_ID
-ENV VITE_GOOGLE_CLIENT_ID=$VITE_GOOGLE_CLIENT_ID
-RUN npm run build
-
-# ------------------------------------------------------------------------------
-# Stage 2: Production Python Runtime
-# ------------------------------------------------------------------------------
-FROM python:3.11-slim AS production
 WORKDIR /app
 
-# Install system dependencies (curl for container health checks, libpq-dev for PostgreSQL)
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    curl \
-    gcc \
-    libpq-dev \
-    && rm -rf /var/lib/apt/lists/*
-
-# Install Python production dependencies
-COPY requirements.txt .
-COPY requirements/ ./requirements/
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Copy backend source code and initialize local storage directories
-COPY backend/ ./backend/
-RUN mkdir -p /app/data/uploads
-
-# Copy built frontend assets from Stage 1 into the location expected by FastAPI
-COPY --from=frontend-builder /app/frontend/dist ./frontend/dist
+COPY render_redirect.py .
 
-# Render assigns port dynamically via $PORT environment variable (defaults to 8000)
-EXPOSE 8000
+ENV PORT=10000
 
-ENV PORT=8000
-ENV PYTHONUNBUFFERED=1
+EXPOSE 10000
 
-# Start FastAPI via uvicorn binding to 0.0.0.0 and dynamic $PORT
-CMD ["sh", "-c", "uvicorn backend.main:app --host 0.0.0.0 --port ${PORT:-8000}"]
+CMD ["python", "render_redirect.py"]

render_redirect.py

@@ -0,0 +1,40 @@
+import os
+from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
+
+TARGET = "https://jobhelperguru.vercel.app"
+
+
+class RedirectHandler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        self.handle_request()
+
+    def do_HEAD(self):
+        self.handle_request(head_only=True)
+
+    def handle_request(self, head_only=False):
+        if self.path.split("?", 1)[0] in ("/health", "/api/health"):
+            body = b"ok"
+            self.send_response(200)
+            self.send_header("Content-Type", "text/plain")
+            self.send_header("Content-Length", str(len(body)))
+            self.end_headers()
+
+            if not head_only:
+                self.wfile.write(body)
+            return
+
+        self.send_response(302)
+        self.send_header("Location", TARGET + self.path)
+        self.send_header("Cache-Control", "no-store")
+        self.end_headers()
+
+    def log_message(self, format, *args):
+        print(format % args)
+
+
+port = int(os.environ.get("PORT", "10000"))
+
+server = ThreadingHTTPServer(("0.0.0.0", port), RedirectHandler)
+
+print(f"Legacy redirect listening on port {port}")
+server.serve_forever()