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perf: cache dependency build layer in Dockerfile #1

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thepagent wants to merge 1 commit into from
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perf: cache dependency build layer in Dockerfile #1

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3 changes: 2 additions & 1 deletion Dockerfile
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Expand Up @@ -2,8 +2,9 @@
FROM rust:1-bookworm AS builder
WORKDIR /build
COPY Cargo.toml Cargo.lock ./
RUN mkdir src && echo 'fn main() {}' > src/main.rs && cargo build --release && rm -rf src
COPY src/ src/
RUN cargo build --release
RUN touch src/main.rs && cargo build --release

# --- Runtime stage ---
FROM debian:bookworm-slim
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