fix(nginx): Podman 下弃用 127.0.0.11 resolver,启动前等待上游可达
Made-with: Cursor
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@@ -54,7 +54,10 @@ services:
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container_name: yh_nginx
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ports:
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- "443:443"
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# Podman 无 Docker 的 127.0.0.11:勿在 nginx 里用 resolver+变量 proxy_pass。先等 web/admin/api 可解析再启动 nginx。
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entrypoint: ["/bin/sh", "/nginx-entrypoint-wait-dns.sh"]
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volumes:
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- ./scripts/nginx-entrypoint-wait-dns.sh:/nginx-entrypoint-wait-dns.sh:ro
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- ./nginx/yuheng.docker.conf:/etc/nginx/conf.d/default.conf:ro
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- /etc/ssl/yh_web/yuheng.yuxindazhineng.com:/etc/ssl/yh_web/yuheng.yuxindazhineng.com:ro
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depends_on:
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@@ -1,7 +1,8 @@
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# 供 docker-compose 中 nginx 使用:仅监听 443,反代到 api/web/admin;证书挂载到 /etc/ssl/yh_web/yuheng.yuxindazhineng.com/
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#
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# 使用 resolver + 变量形式的 proxy_pass:避免启动时同步解析 upstream 主机名失败
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#(Docker/Podman 在 yh_nginx 刚起来时,内置 DNS 里可能还没有 web/admin/api,会报 host not found in upstream "web")
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# 使用静态 proxy_pass(依赖 Compose/Podman 内置 DNS)。容器启动顺序由 depends_on + docker-compose.yml
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# 中 entrypoint 等待脚本保证:解析就绪后再启动 nginx,避免「host not found in upstream」。
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# 勿配合 127.0.0.11 resolver + 变量 proxy_pass 用于 Podman:无该 DNS 时会导致长时间超时 → 502。
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server {
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listen 443 ssl;
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@@ -10,9 +11,6 @@ server {
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server_name yuheng.yuxindazhineng.com;
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client_max_body_size 800m;
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# Docker Compose 内置 DNS;若 Podman 下首包 502,可在此增加本网关 IP(podman network inspect 查看)
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resolver 127.0.0.11 valid=10s ipv6=off;
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ssl_certificate /etc/ssl/yh_web/yuheng.yuxindazhineng.com/fullchain.pem;
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ssl_certificate_key /etc/ssl/yh_web/yuheng.yuxindazhineng.com/privkey.pem;
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ssl_session_timeout 1d;
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@@ -21,8 +19,7 @@ server {
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ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
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location / {
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set $upstream_web web;
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proxy_pass http://$upstream_web:80;
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proxy_pass http://web:80;
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proxy_http_version 1.1;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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@@ -31,8 +28,7 @@ server {
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}
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location /admin/ {
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set $upstream_admin admin;
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proxy_pass http://$upstream_admin:80/;
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proxy_pass http://admin:80/;
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proxy_http_version 1.1;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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@@ -42,8 +38,7 @@ server {
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# 不要用尾部斜杠,否则 /api/health 会变成 /health,而后端注册的是 /api/health
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location /api/ {
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set $upstream_api api;
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proxy_pass http://$upstream_api:8088;
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proxy_pass http://api:8088;
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proxy_http_version 1.1;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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38
scripts/nginx-entrypoint-wait-dns.sh
Normal file
38
scripts/nginx-entrypoint-wait-dns.sh
Normal file
@@ -0,0 +1,38 @@
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#!/bin/sh
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# 供 yh_nginx 容器:在官方 entrypoint 之前等待 Compose/Podman 网络内 web/admin/api 可访问。
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# 解决 1) 启动瞬间 host not found;2) Podman 无 127.0.0.11 时勿用 resolver+变量 proxy_pass(否则 502/超时)。
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set -e
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MAX="${NGINX_WAIT_UPSTREAM_SEC:-90}"
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echo "yh_nginx: waiting for upstream (web:80 admin:80 api:8088), max ${MAX}s..."
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# 优先 HTTP 探测(ICMP 在部分环境被禁);无 wget 时用 ping
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ping_one() {
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host="$1"
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if ping -c1 -W2 "$host" >/dev/null 2>&1; then
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return 0
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fi
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ping -c1 -w3 "$host" >/dev/null 2>&1
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}
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upstream_ok() {
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host="$1"
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port="$2"
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path="${3:-/}"
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if command -v wget >/dev/null 2>&1; then
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wget -q -O/dev/null -T 3 "http://${host}:${port}${path}" 2>/dev/null && return 0
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fi
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ping_one "$host"
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}
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n=0
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while [ "$n" -lt "$MAX" ]; do
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# api 根路径常为 404,用 /api/health(与 yuheng.docker.conf 注释一致)
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if upstream_ok web 80 / && upstream_ok admin 80 / && upstream_ok api 8088 /api/health; then
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echo "yh_nginx: upstream OK, starting nginx..."
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exec /docker-entrypoint.sh nginx -g 'daemon off;'
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fi
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n=$((n + 1))
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sleep 1
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done
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echo "yh_nginx: timeout waiting for web/admin/api (check 容器是否在同一网络、api 是否监听 8088)" >&2
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exit 1
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