Fix healthcheck to use correct port with PORT environment variable

Dockerfile

@@ -74,11 +74,11 @@ ENV PATH="/app/.venv/bin:$PATH"
 # Set PYTHONPATH so imports work correctly
 ENV PYTHONPATH="/app/env:$PYTHONPATH"
 
-# Health check
-HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-    CMD curl -f http://localhost:8000/health || exit 1
-
 # Run the FastAPI server
 # HF Spaces exposes port 7860; set to 8000 for local dev
 ENV PORT=${PORT:-7860}
+
+# Health check (must be after PORT is set)
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:${PORT}/health || exit 1
 CMD ["sh", "-c", "cd /app/env && uvicorn environment.app:app --host 0.0.0.0 --port ${PORT}"]

environment/Dockerfile

@@ -71,10 +71,13 @@ ENV PATH="/app/.venv/bin:$PATH"
 # Set PYTHONPATH so imports work correctly
 ENV PYTHONPATH="/app/env:$PYTHONPATH"
 
-# Health check
+# Run the FastAPI server
+# HF Spaces exposes port 7860; set to 8000 for local dev
+ENV PORT=${PORT:-7860}
+
+# Health check (must be after PORT is set)
 HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-    CMD curl -f http://localhost:8000/health || exit 1
+    CMD curl -f http://localhost:${PORT}/health || exit 1
 
-# Run the FastAPI server
 # The module path is constructed to work with the /app/env structure
-CMD ["sh", "-c", "cd /app/env && uvicorn environment.app:app --host 0.0.0.0 --port 8000"]
+CMD ["sh", "-c", "cd /app/env && uvicorn environment.app:app --host 0.0.0.0 --port ${PORT}"]