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The challenge of connecting Docker containers from the host is to resolve a predefined hostname to an IP address assigned at runtime. For Unix-like platforms such as Ubuntu, it can be done by either hard-code the IP addresses or creating a DNS server. Both of them are not user-friendly which need root permission to modify system files. Avahi is a free Zeroconf implementation and provides multicast DNS (mDNS) service discovery. It enables Docker containers to publish their services on a local network. For the host systems supporting mDNS technology, they will automatically discover the services in a local domain without extra user-efforts. Task-number: QTQAINFRA-1686 Change-Id: I1ef464a455cef5d331a3e2eb0194e2741172ef95 Reviewed-by: Edward Welbourne <edward.welbourne@qt.io> Reviewed-by: Ryan Chu <ryan.chu@qt.io> Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@qt.io>
7 lines
207 B
Docker
7 lines
207 B
Docker
FROM ubuntu:16.04
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RUN apt-get update && apt-get install -y apache2 libcgi-session-perl wget avahi-daemon
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EXPOSE 80 443
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# install configurations and test data
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RUN wget https://tools.ietf.org/rfc/rfc3252.txt
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