```Dockerfile
FROM alpine:latest

RUN apk add --no-cache tini py-pip curl gcc
RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
ENV PATH="/root/.cargo/bin:${PATH}"
RUN PIP_BREAK_SYSTEM_PACKAGES=1 pip install mitmproxy
```