Dockerfile

.dockerignore

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+.git
+.github
+extra
+_config.yml
+.gitignore
+example.json
+LICENSE
+README.md
+/target
+**/*.rs.bk
+*.vim

Dockerfile

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+ARG ALPINE_VERSION=3.12
+ARG RUST_VERSION=1-alpine${ALPINE_VERSION}
+
+FROM rust:${RUST_VERSION} AS build
+WORKDIR /usr/src/prometheus_wireguard_exporter
+
+# Setup
+ARG ARCH=x86_64
+RUN apk add --update -q --no-cache musl-dev
+RUN rustup target add ${ARCH}-unknown-linux-musl
+
+# Install dependencies
+COPY Cargo.toml Cargo.lock ./
+RUN mkdir src && \
+    echo "fn main() {}" > src/main.rs
+RUN cargo build --release && \
+    rm -rf target/release/deps/prometheus_wireguard_exporter*
+
+# Build the musl linked binary
+COPY . .
+RUN cargo build --release
+RUN cargo install --target ${ARCH}-unknown-linux-musl --path .
+
+FROM alpine:${ALPINE_VERSION}
+EXPOSE 9586/tcp
+RUN apk add --update -q --no-cache wireguard-tools-wg
+COPY --from=build --chown=1000 /usr/local/cargo/bin/prometheus_wireguard_exporter /usr/local/bin/prometheus_wireguard_exporter
+ENTRYPOINT [ "prometheus_wireguard_exporter" ]
+CMD [ "-h" ]
+USER 1000