25 lines
818 B
Docker
25 lines
818 B
Docker
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# -*- mode: dockerfile -*-
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#
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# An example Dockerfile showing how to build a Rust executable using this
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# image, and deploy it with a tiny Alpine Linux container.
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# Our first FROM statement declares the build environment.
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FROM ekidd/rust-musl-builder AS builder
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# You would normally add your source code to /home/rust/src like this.
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# ADD . ./
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# ...but we're going to just create a new app instead for demo purposes.
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RUN cd .. && rm -r src && USER=rust cargo new --vcs none --bin --name hello src
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# Build our application.
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RUN cargo build --release
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# Now, we need to build our _real_ Docker container, copying in `hello`.
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FROM alpine:latest
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RUN apk --no-cache add ca-certificates
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COPY --from=builder \
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/home/rust/src/target/x86_64-unknown-linux-musl/release/hello \
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/usr/local/bin/
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CMD /usr/local/bin/hello
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