Fix Docker build: copy src before pip install, update license format

Dockerfile

@@ -8,14 +8,14 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libpq-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy dependency files
-COPY pyproject.toml ./
+# Copy all project files needed for installation
+COPY pyproject.toml README.md ./
+COPY src/ ./src/
 
 # Install Python dependencies
-RUN pip install --no-cache-dir -e .
+RUN pip install --no-cache-dir .
 
-# Copy application code
-COPY src/ ./src/
+# Copy remaining files
 COPY migrations/ ./migrations/
 COPY alembic.ini ./