copy creds in container

Dockerfile

@@ -39,6 +39,9 @@ RUN apk add --no-cache \
 RUN addgroup -g 1000 appuser && \
     adduser -D -u 1000 -G appuser appuser
 
+# Copy credentials file if it exists
+COPY --chown=appuser:appuser credentials.json .
+
 # Copy virtual environment from builder
 COPY --from=builder /opt/venv /opt/venv
 ENV PATH="/opt/venv/bin:$PATH"