add caddy

Dockerfile

@@ -0,0 +1,47 @@
+FROM ubuntu:22.04
+LABEL maintainer="Jun Kurihara"
+
+SHELL ["/bin/sh", "-x", "-c"]
+ENV SERIAL 2
+
+ENV CFLAGS=-Ofast
+ENV BUILD_DEPS   curl make build-essential libevent-dev libexpat1-dev autoconf file libssl-dev byacc pkg-config
+ENV RUNTIME_DEPS bash util-linux coreutils findutils grep libssl3 ldnsutils libevent-2.1 expat ca-certificates jed logrotate
+
+RUN apt-get update; apt-get -qy dist-upgrade; apt-get -qy clean && \
+  apt-get install -qy --no-install-recommends $RUNTIME_DEPS && \
+  rm -fr /tmp/* /var/tmp/* /var/cache/apt/* /var/lib/apt/lists/* /var/log/apt/* /var/log/*.log
+
+RUN update-ca-certificates 2> /dev/null || true
+
+WORKDIR /tmp
+
+COPY . /tmp/
+
+ENV RUSTFLAGS "-C link-arg=-s"
+
+RUN apt-get update && apt-get install -qy --no-install-recommends $BUILD_DEPS && \
+  curl -sSf https://sh.rustup.rs | bash -s -- -y --default-toolchain stable && \
+  export PATH="$HOME/.cargo/bin:$PATH" && \
+  echo "Building rpxy from source" && \
+  cargo build --release --no-default-features && \
+  mkdir -p /opt/rpxy/sbin && \
+  mv /tmp/target/release/rpxy /opt/rpxy/sbin/ && \
+  strip --strip-all /opt/rpxy/sbin/rpxy && \
+  apt-get -qy purge $BUILD_DEPS && apt-get -qy autoremove && \
+  rm -fr ~/.cargo ~/.rustup && \
+  rm -fr /tmp/* /var/tmp/* /var/cache/apt/* /var/lib/apt/lists/* /var/log/apt/* /var/log/*.log
+rm -fr ~/.cargo ~/.rustup && \
+  rm -fr /tmp/* /var/tmp/* /var/cache/apt/* /var/lib/apt/lists/* /var/log/apt/* /var/log/*.log
+
+COPY docker-bin/run.sh /
+COPY docker-bin/entrypoint.sh /
+
+RUN chmod 755 /run.sh && \
+  chmod 755 /entrypoint.sh
+
+EXPOSE 53/udp 53/tcp
+
+CMD ["/entrypoint.sh"]
+
+ENTRYPOINT ["/entrypoint.sh"]