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fix: remove apk add iptables-nft — built-in on Alpine 3.18+

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In Alpine 3.18+, the 'iptables' package IS the nftables variant.
iptables-nft is not a separate package. The binary is already in
the base image — only need to flip update-alternatives.
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Hermes
2026-05-13 12:48:51 -04:00
parent f184ed957c
commit 611e96b306
1 changed files with 3 additions and 4 deletions
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vpn/Dockerfile
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@@ -3,8 +3,7 @@
FROM ghcr.io/wg-easy/wg-easy:latest
# The upstream image defaults to iptables-legacy via update-alternatives.
# Switch to iptables-nft so it works on kernels where only nftables
# netfilter modules are available (iptable_nat module missing).
RUN apk add --no-cache iptables-nft && \
update-alternatives --set iptables /usr/sbin/iptables-nft && \
# Switch iptables to the nftables backend (already provided by the 'iptables'
# package on Alpine 3.18+). No apk add needed — iptables-nft is built-in.
RUN update-alternatives --set iptables /usr/sbin/iptables-nft && \
update-alternatives --set ip6tables /usr/sbin/ip6tables-nft