19 lines
853 B
Bash
19 lines
853 B
Bash
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#!/bin/sh
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set -eu
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# 构建前至少保留 1GiB 给业务服务，避免在宿主机内存不足时继续启动构建。
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available_kib=$(awk '$1 == "MemAvailable:" { print $2 }' /proc/meminfo)
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case "$available_kib" in
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''|*[!0-9]*) echo 'Cannot read host available memory; build refused.' >&2; exit 69 ;;
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esac
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if [ "$available_kib" -lt 4194304 ]; then
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echo 'Docker build requires at least 4GiB available host memory; retry after resources recover.' >&2
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exit 75
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fi
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# 当前节点使用 Docker 26 的经典构建器。显式固定后端，确保资源参数实际生效。
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# 限制覆盖每个 RUN 容器，失败时也清理中间容器，超时由宿主机独立终止。
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exec env DOCKER_BUILDKIT=0 timeout --signal=TERM --kill-after=30s 15m \
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docker build --memory=3g --memory-swap=3g \
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--cpu-period=100000 --cpu-quota=200000 --force-rm "$@"
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