Dockerfile Expose Example !!hot!! Link

COPY . . EXPOSE 8000/tcp # Main web application EXPOSE 8080/tcp # Admin interface EXPOSE 5432/tcp # Internal database (documentation only) UDP port example EXPOSE 53/udp # DNS service Port range (if supported by your container runtime) EXPOSE 9000-9010/tcp

COPY . . EXPOSE 3000

COPY requirements.txt . RUN pip install --no-cache-dir -r requirements.txt dockerfile expose example