FROM alpine:3.21

RUN set -eux; \
    printf '%s\n' \
      'https://dl-cdn.alpinelinux.org/alpine/v3.21/main' \
      'https://dl-cdn.alpinelinux.org/alpine/v3.21/community' \
      > /etc/apk/repositories; \
    for attempt in 1 2 3 4 5; do \
      apk update && apk add --no-cache bash curl jq wireguard-tools nftables && exit 0; \
      echo "apk install attempt ${attempt} failed, retrying..." >&2; \
      sleep 3; \
    done; \
    exit 1

WORKDIR /app
COPY scripts/gateway-entrypoint.sh /scripts/gateway-entrypoint.sh

ENTRYPOINT ["bash", "/scripts/gateway-entrypoint.sh"]