cloudflared-docker

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What about instead of:

# Build container
ARG GOVERSION=1.21.6
ARG ALPINEVERSION=3.19

The hashes of the containers are used like this:

ARG GOHASH=2523a6f68a0f515fe251aad40b18545155135ca6a5b2e61da8254df9153e3648 # golang:1.21.6-alpine3.19
FROM --platform=${BUILDPLATFORM} \
    golang@sha256:$GOHASH AS build

This would make the container more secure by guaranteeing that the images won't change unless the sha256 is updated manually, so no malicious code will be executed. Version tags on the other hand can be easily overwritten