Upgrade alpine, use iptables-legacy #327
Merged
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PR #307 bumps alpine to 3.19.0. Unfortunately that version defaults to iptables-nft. This breaks an assumption in our Dockerfile and proxy-init that the
iptables
binary is the legacy version.Bump alpine to 3.19.0, modify the Dockerfile to continue installing iptables-legacy, and modify the proxy-init command to default to iptables-legacy.