周日领导说docker nginx起不来了，导致jira域名映射失败，记录一下解决过程
操作
首先nginx不是自己部署，要先启动一下
docker start nginx 
发现打印出了nginx 但是 docker ps 发现 nginx还是启动失败
于是准备查看日志
docker logs -f nginx
报了一堆错误，也不知道是什么时候打的日志，后来解决之后猜测是因为配置文件为空的原因，因为没有找到event模块
所以首先看一下nginx的容器信息
docker inspect nginx
找到挂载信息了，可以看看配置文件，发现 /usr/nginx/conf 里面没有配置文件，这个时候就应该找到了问题；可是运维同学在查询问题的时候创建了一个空的nginx.conf，我没有打开配置文件
后来在老大的提醒下打开了配置文件发现是空的，然后就对配置文件进行了修改
先找了一个默认的nginx.conf的配置
#user nobody;
worker_processes 1;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#access_log logs/access.log main;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
server {
listen 80;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
location / {
root html;
index index.html index.htm;
}
#error_page 404 /404.html;
# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#location ~ \.php$ {
# proxy_pass http://127.0.0.1;
#}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
# root html;
# fastcgi_pass 127.0.0.1:9000;
# fastcgi_index index.php;
# fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
# include fastcgi_params;
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#location ~ /\.ht {
# deny all;
}
# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen 8000;
# listen somename:8080;
# server_name somename alias another.alias;
# location / {
# root html;
# index index.html index.htm;
# }
#}
# HTTPS server
# listen 443 ssl;
# server_name localhost;
# ssl_certificate cert.pem;
# ssl_certificate_key cert.key;
# ssl_session_cache shared:SSL:1m;
# ssl_session_timeout 5m;
# ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_prefer_server_ciphers on;然后docker start nginx 发现可以启动了
接下来增加正确的jira配置
location / {
proxy_pass http://192.168.1.111:8080;
proxy_redirect off;
proxy_set_header Host $host:$server_port; ##重点在$server_port
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_max_temp_file_size 0;
proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;
proxy_buffer_size 4k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_hide_header Vary;
proxy_set_header Accept-Encoding '';
proxy_set_header Referer $http_referer;
proxy_set_header Cookie $http_cookie;
}进入容器检测一下配置文件是否有问题
docker exec -it 容器id /bin/bashnginx路径寻找 find / -name nginx
./nginx/sbin/nginx -t检测发现少了一个}
:set nu找到具体行，然后修复
ctrl +D // 退出容器启动nginx
docker restart nginx结果
虽然解决的很慢 但是还是解决了问题，nginx单点也是有问题的，后期打算切换到多活的nginx，然后备份相关nginx文件
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