mirror of
https://github.com/TechnitiumSoftware/DnsServer.git
synced 2026-03-02 14:59:01 +00:00
e8b6e0d436
Adds a handler for the SIGTERM signal on Linux and macOS to allow the DNS server to shut down gracefully. This is the standard signal sent by `systemd` and Docker to stop a service. - Updated `DnsServerApp/Program.cs` to handle `PosixSignal.SIGTERM`. - Removed `KillSignal=SIGINT` from `systemd.service` to use the default `SIGTERM`. - Removed `STOPSIGNAL SIGINT` from `Dockerfile` to use the default `SIGTERM`. This ensures that the application has a chance to clean up resources properly before exiting when stopped as a service or container.
48 lines
1.8 KiB
Docker
48 lines
1.8 KiB
Docker
# syntax=docker.io/docker/dockerfile:1
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FROM mcr.microsoft.com/dotnet/aspnet:9.0
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# Add the MS repo to install `libmsquic` to support DNS-over-QUIC:
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ADD --link https://packages.microsoft.com/config/debian/12/packages-microsoft-prod.deb /
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RUN <<HEREDOC
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dpkg -i packages-microsoft-prod.deb && rm packages-microsoft-prod.deb
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# `dnsutils` added to include the `dig` command for troubleshooting:
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apt-get update && apt-get install -y libmsquic dnsutils
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apt-get clean -y && rm -rf /var/lib/apt/lists/*
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# `/etc/dns` is expected to exist the default directory for persisting state:
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# (Users should volume mount to this location or modify the `CMD` of their container)
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mkdir /etc/dns
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HEREDOC
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# Project is built outside of Docker, copy over the build directory:
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WORKDIR /opt/technitium/dns
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COPY --link ./DnsServerApp/bin/Release/publish /opt/technitium/dns
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ENTRYPOINT ["/usr/bin/dotnet", "/opt/technitium/dns/DnsServerApp.dll"]
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CMD ["/etc/dns"]
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## Only append image metadata below this line:
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EXPOSE \
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# Standard DNS service
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53/udp 53/tcp \
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# DNS-over-QUIC (UDP) + DNS-over-TLS (TCP)
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853/udp 853/tcp \
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# DNS-over-HTTPS (UDP => HTTP/3) (TCP => HTTP/1.1 + HTTP/2)
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443/udp 443/tcp \
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# DNS-over-HTTP (for when running behind a reverse-proxy that terminates TLS)
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80/tcp 8053/tcp \
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# Technitium web console + API (HTTP / HTTPS)
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5380/tcp 53443/tcp \
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# DHCP
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67/udp
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# https://specs.opencontainers.org/image-spec/annotations/
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# https://github.com/opencontainers/image-spec/blob/main/annotations.md
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LABEL org.opencontainers.image.title="Technitium DNS Server"
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LABEL org.opencontainers.image.vendor="Technitium"
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LABEL org.opencontainers.image.source="https://github.com/TechnitiumSoftware/DnsServer"
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LABEL org.opencontainers.image.url="https://technitium.com/dns/"
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LABEL org.opencontainers.image.authors="support@technitium.com"
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