mickysharam/cloudflared repository overview

docker run -d \
    --name=cloudflareDOH
    -e UPSTREAM1=https://1.1.1.1/dns-query \
    -e UPSTREAM2=https://1.0.0.1/dns-query \
    -e PORT=5054 \
    -e ADDRESS=0.0.0.0 \
    -e METRICS=0.0.0.0:8080 \
    -p 5054:5054/udp \
    -p 5054:5054/tcp \
    -p 8080:8080/tcp \
    --restart unless-stopped \
    mickysharam/cloudflared

---
version: "2"

services:
  cloudflared:
    image: mickysharam/cloudflared
    container_name: cloudflareDOH
    environment:
        UPSTREAM1: https://1.1.1.1/dns-query
        UPSTREAM2: https://1.0.0.1/dns-query
        PORT: 5054
        ADDRESS: 0.0.0.0
        METRICS: 0.0.0.0:8080
    ports:
      - 5054:5054/tcp
      - 5054:5054/udp
      - 8080:8080/tcp
    restart: unless-stopped

FROM alpine:latest

LABEL maintainer="Micky"

ENV UPSTREAM1 https://1.1.1.1/dns-query
ENV UPSTREAM2 https://1.0.0.1/dns-query
ENV PORT 5054
ENV ADDRESS 0.0.0.0
ENV METRICS 127.0.0.1:8080
ENV MAX_UPSTREAM_CONNS 0

RUN apk update && \
    apk add --no-cache wget libc6-compat && \
    wget https://github.com/cloudflare/cloudflared/releases/download/2021.9.1/cloudflared-linux-arm64 -O cloudflared

RUN chmod +x cloudflared

RUN mv cloudflared /usr/local/bin/cloudflared 

HEALTHCHECK --interval=5s --timeout=3s --start-period=5s CMD nslookup -po=${PORT} cloudflare.com 127.0.0.1 || exit 1

CMD ["/bin/sh", "-l", "-c", "/usr/local/bin/cloudflared proxy-dns --address ${ADDRESS} --port ${PORT} --metrics ${METRICS} --upstream ${UPSTREAM1} --upstream ${UPSTREAM2} --max-upstream-conns ${MAX_UPSTREAM_CONNS}"]