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https://github.com/serai-dex/serai.git
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b791256648
By defining our own build script, we gain complete clarity and control over how the WASM is built. This also removes the need to patch the upstream due to it allowing pollution of the environment variables from the host. Notable appreciation is given to https://github.com/rust-lang/rust/issues/145491 for identifying an issue encountered here, with the associated PR clarifying the necessary flags for the linker to fix this.
43 lines
1.5 KiB
Docker
43 lines
1.5 KiB
Docker
#check=skip=FromPlatformFlagConstDisallowed
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# We want to explicitly set the platform to ensure a constant host environment
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# rust:1.91.1-alpine as of December 4th, 2025 (GMT)
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FROM --platform=linux/amd64 rust@sha256:84f263251b0ada72c1913d82a824d47be15a607f3faf015d8bdae48db544cdf2 AS builder
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# Add the WASM toolchain
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RUN rustup target add wasm32v1-none
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# Add files for build
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ADD patches /serai/patches
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ADD common /serai/common
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ADD crypto /serai/crypto
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ADD networks /serai/networks
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ADD message-queue /serai/message-queue
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ADD processor /serai/processor
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ADD coordinator /serai/coordinator
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ADD substrate /serai/substrate
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ADD orchestration/Cargo.toml /serai/orchestration/Cargo.toml
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ADD orchestration/src /serai/orchestration/src
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ADD mini /serai/mini
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ADD tests /serai/tests
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ADD Cargo.toml /serai
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ADD Cargo.lock /serai
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ADD AGPL-3.0 /serai
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WORKDIR /serai
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# Build the runtime
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RUN cargo build --release -p serai-runtime --no-default-features
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# Copy the artifact to its own image which solely exists to further export it
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FROM scratch
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# Copy `busybox`, including the necessary shared libraries, from the builder for a functioning `cp`
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COPY --from=builder /lib/ld-musl-x86_64.so.1 /lib/libc.musl-x86_64.so.1 /lib/
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COPY --from=builder /bin/busybox /bin/
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ENV LD_LIBRARY_PATH=/lib/
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ENV PATH=/bin
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# Copy the artifact itself
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COPY --from=builder /serai/target/release/serai_runtime.wasm /serai.wasm
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# By default, copy the artifact to `/volume`, presumably a provided volume
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CMD ["busybox", "cp", "/serai.wasm", "/volume/serai.wasm"]
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