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Self-hosted NAT hole-punching relay for Dolphin emulator netplay. Enables online play for ALL GameCube and Wii games without players needing to open ports (Mario Party 4-7, MKDD, Smash Melee, etc). Multi-stage Docker build compiles only the traversal_server target. UDP ports 6262 (primary) and 6226 (NAT probe). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
52 lines
1.4 KiB
Docker
52 lines
1.4 KiB
Docker
# Dolphin Emulator Traversal Server
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# Lightweight NAT hole-punching relay for Dolphin netplay
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# Supports ALL GameCube/Wii games via Dolphin
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# --- Build stage ---
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FROM debian:bookworm AS build
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RUN apt-get update && apt-get install -y \
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build-essential cmake git pkg-config \
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libfmt-dev libenet-dev libcurl4-openssl-dev \
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libbz2-dev liblzma-dev libzstd-dev zlib1g-dev \
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liblzo2-dev liblz4-dev libspng-dev \
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libusb-1.0-0-dev libevdev-dev libpugixml-dev libxxhash-dev \
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libminiupnpc-dev libhidapi-dev libsystemd-dev libudev-dev \
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glslang-dev glslang-tools \
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&& rm -rf /var/lib/apt/lists/*
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WORKDIR /dolphin
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RUN git clone --depth 1 https://github.com/dolphin-emu/dolphin.git . \
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&& git submodule update --init --recursive --depth 1
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RUN mkdir build && cd build && cmake .. \
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-DCMAKE_BUILD_TYPE=Release \
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-DENABLE_QT=OFF \
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-DENABLE_NOGUI=OFF \
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-DENABLE_CLI=OFF \
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-DENABLE_TESTS=OFF \
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-DUSE_DISCORD_PRESENCE=OFF \
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-DENABLE_AUTOUPDATE=OFF \
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-DENABLE_ANALYTICS=OFF
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RUN cd build && cmake --build . --target traversal_server -j$(nproc)
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# --- Runtime stage ---
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FROM debian:bookworm-slim
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RUN apt-get update && apt-get install -y \
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libfmt9 libstdc++6 \
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&& rm -rf /var/lib/apt/lists/*
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RUN useradd -r -s /bin/false dolphin
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COPY --from=build /dolphin/build/Binaries/traversal_server /usr/local/bin/traversal_server
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USER dolphin
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EXPOSE 6262/udp
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EXPOSE 6226/udp
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CMD ["traversal_server"]
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