ci: 前端方案B - 软链接版本化部署(不再打镜像) + caddy-switch 工作流
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name: switch-caddy-to-fileserver
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# 一次性:把 Caddy 对 /userbase* 的反代改为 file_server 直接读取软链接目录
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# 触发:Gitea 网页 Actions -> 本工作流 -> Run workflow(仅执行一次)
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# 做了什么:
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# 1) 确保 /data/www/userbase/releases 与初始 front 软链接存在(caddy 启动前 root 必须存在)
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# 2) 备份并原地修改宿主 Caddyfile:仅替换唯一行 `reverse_proxy userbase-front:80`
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# -> root * /data/www/userbase/front + file_server + try_files(SPA 回退)
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# 3) 按现有 caddy 容器的 image/端口/挂载/网络 重建(追加 /data/www/userbase 挂载)
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# 4) 移除已被取代的 userbase-front 容器
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# 回滚:/opt/docker/infra/Caddyfile.bak-* 备份 + docker rm -f caddy 后用旧参数重建。
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on:
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workflow_dispatch:
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jobs:
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switch:
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runs-on: ubuntu-latest
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container:
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image: docker:24
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steps:
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- name: Recreate caddy (file_server + mount /data/www/userbase)
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run: |
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set -e
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apk add --no-cache jq
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# 0) 前端目录与初始软链接(避免 caddy 因 root 不存在而启动失败)
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docker run --rm -v /data/www/userbase:/data/www/userbase alpine sh -c '
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mkdir -p /data/www/userbase/releases
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if [ ! -e /data/www/userbase/front ]; then
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mkdir -p /data/www/userbase/releases/initial
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ln -sfn /data/www/userbase/releases/initial /data/www/userbase/front
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fi
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'
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# 1) 备份 + 替换宿主 Caddyfile 中唯一的前后端反代行
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docker run --rm -v /opt/docker/infra:/opt/docker/infra alpine sh -c '
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cp -f /opt/docker/infra/Caddyfile /opt/docker/infra/Caddyfile.bak-$(date +%Y%m%d-%H%M)
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sed -i "s#reverse_proxy userbase-front:80#root * /data/www/userbase/front\n\tfile_server\n\ttry_files {path} /index.html#" /opt/docker/infra/Caddyfile
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echo "=== 新的 /userbase 块 ==="
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grep -n -A4 "handle_path /userbase" /opt/docker/infra/Caddyfile
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'
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# 2) 按现有 caddy 容器参数重建(保留原 image/端口/挂载/网络,追加前端目录挂载)
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docker inspect caddy > /tmp/c.json
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IMG=$(jq -r '.[0].Config.Image' /tmp/c.json)
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NET=$(jq -r '.[0].HostConfig.NetworkMode' /tmp/c.json)
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PORTS=$(jq -r '.[0].HostConfig.PortBindings | to_entries[]? | "-p \(.value[0].HostPort):\(.key | rtrimstr("/tcp"))"' /tmp/c.json | tr "\n" " ")
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BINDS=$(jq -r '.[0].HostConfig.Binds[]? | "-v \(.)"' /tmp/c.json | tr "\n" " ")
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CMD=$(jq -r '.[0].Config.Cmd | join(" ")' /tmp/c.json)
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echo "recreate caddy: IMG=$IMG NET=$NET PORTS=[$PORTS] BINDS=[$BINDS] CMD=[$CMD]"
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docker rm -f caddy 2>/dev/null || true
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# shellcheck disable=SC2086
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docker run -d --name caddy --restart unless-stopped --network "$NET" $PORTS $BINDS -v /data/www/userbase:/data/www/userbase "$IMG" $CMD
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sleep 6
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docker ps --format 'table {{.Names}}\t{{.Status}}\t{{.Image}}' | grep -E 'caddy|userbase' || true
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# 3) 旧的 userbase-front 容器已被 Caddy file_server 取代
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docker rm -f userbase-front 2>/dev/null || echo "userbase-front already removed"
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echo "CADDY SWITCH DONE"
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