fixed tests

Dockerfile

@@ -6,7 +6,8 @@ ENV PYTHONUNBUFFERED=1 \
     PYTHONDONTWRITEBYTECODE=1 \
     PIP_NO_CACHE_DIR=1 \
     PIP_DISABLE_PIP_VERSION_CHECK=1 \
-    UV_PROJECT_ENVIRONMENT=/app/.venv
+    UV_PROJECT_ENVIRONMENT=/app/.venv \
+    ENVIRONMENT=production
 
 # Set working directory
 WORKDIR /app
@@ -15,7 +16,7 @@ WORKDIR /app
 COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv
 
 # Copy dependency files
-COPY pyproject.toml ./
+COPY pyproject.toml README.md ./
 
 # Install Python dependencies
 RUN uv sync --no-dev
@@ -26,6 +27,15 @@ ENV PATH="/app/.venv/bin:$PATH"
 # Copy application code
 COPY src/ ./src/
 
+# Add healthcheck
+HEALTHCHECK \
+    --interval=30s \
+    --timeout=30s \
+    --start-period=5s \
+    --retries=3 \
+    CMD python -c "import urllib.request; \
+        urllib.request.urlopen('http://localhost:8000/health', timeout=10)"
+
 # Expose port
 EXPOSE 8000