Harden Space startup entrypoint

.gitignore

@@ -23,3 +23,7 @@ app/frontend/*.tsbuildinfo
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+
+# Local env
+.env
+.env.*

Dockerfile

@@ -20,14 +20,15 @@ RUN adduser --disabled-password --gecos "" --uid 1000 appuser
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
+COPY start.sh .
 COPY app/backend ./app/backend
 COPY app/data ./app/data
 COPY app/public ./app/public
 COPY --from=frontend-builder /workspace/app/frontend/dist ./app/frontend/dist
 
-RUN chown -R 1000:1000 /workspace
+RUN chmod +x /workspace/start.sh && chown -R 1000:1000 /workspace
 
 USER 1000
 EXPOSE 7860
 
-CMD ["sh", "-c", "uvicorn app.backend.main:app --host 0.0.0.0 --port ${PORT:-7860}"]
+CMD ["/workspace/start.sh"]

app/__init__.py

@@ -0,0 +1 @@
+# Package marker for Docker/runtime imports.

app/backend/__init__.py

@@ -0,0 +1 @@
+# Package marker for backend modules.

start.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+set -eu
+
+PORT_VALUE="${PORT:-7860}"
+
+echo "Starting Aether Voice Studio"
+echo "Working directory: $(pwd)"
+echo "Python: $(python --version 2>&1)"
+echo "Port: ${PORT_VALUE}"
+
+if [ ! -f /workspace/app/frontend/dist/index.html ]; then
+  echo "Frontend build is missing at /workspace/app/frontend/dist/index.html"
+  exit 1
+fi
+
+if [ ! -f /workspace/app/backend/main.py ]; then
+  echo "Backend entrypoint is missing at /workspace/app/backend/main.py"
+  exit 1
+fi
+
+exec python -m uvicorn main:app --app-dir /workspace/app/backend --host 0.0.0.0 --port "${PORT_VALUE}" --log-level info