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Echo Web

Go web framework Echo example.

Echo middleware echo-mw

Echo中文文档 go-echo.org

Requires

  • go1.8+
  • Echo V3

在线演示

目录

环境配置

1.源码下载
$ cd $GOPATH/src
$ git clone git@github.com:hb-go/echo-web.git
2.依赖安装

dep工具安装

$ cd echo_web/
$ dep ensure
3.MySQL配置
# ./conf/conf.toml
[database]
name = "goweb_db"
user_name = "goweb_dba"
pwd  = "123456"
host = "127.0.0.1"
port = "3306"

# 测试数据库SQL脚本
./echo-web/res/db_structure.sql
4.Redis、Memcached配置,可选

可选需修改session、cache的store配置

  • session_store = "FILE"或"COOKIE"
  • cache_store = "IN_MEMORY"
# ./conf/conf.toml
[redis]
server = "127.0.0.1:6379"
pwd = "123456"

[memcached]
server = "localhost:11211"
5.子域名
# ./conf/conf.toml
[server]
addr = ":8080"
domain_api = "echo.api.localhost.com"
domain_web = "echo.www.localhost.com"
domain_socket = "echo.socket.localhost.com"

# 改host
$ vi /etc/hosts
127.0.0.1       echo.api.localhost.com
127.0.0.1       echo.www.localhost.com
127.0.0.1       echo.www.localhost.com

# Nginx配置,可选
server{
    listen       80;
    server_name  echo.www.localhost.com echo.api.localhost.com echo.socket.localhost.com;

    charset utf-8;

    location / {
        proxy_pass http://127.0.0.1:8080;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header Host $host;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}
6.Bindata打包工具,可选(运行可选,打包必选)

Bindata安装

运行

# 首次运行必须带 -a -t,更新assets.go、template.go的资源路径为本地
$ ./run.sh [-a] [-t]        # -a -t 可选(须安装Bindata),以debug方式更新assets、template的Bindata资源包

# 浏览器访问
http://echo.www.localhost.com      # Nginx代理
http://echo.www.localhost.com:8080 # 无代理

# OpenTracing
http://localhost:8700/traces

打包

打包静态资源及模板文件须安装Bindata

# 打包
$ ./build.sh 		    # 默认本机
$ ./build.sh -l		    # 打包Linux平台

# 运行
$ ./echo-web -c conf/conf.toml      # -c指定配置文件,默认conf/conf.toml

目录结构

assets          Web服务静态资源
conf            项目配置
middleware      中间件
model           模型,数据库连接&ORM
  └ orm         ORM扩展
module          模块封装
  ├ auth        Auth授权
  ├ cache       缓存
  ├ log         日志
  ├ render      渲染
  ├ session     Session
  └ tmpl        Web模板
res             项目资源
  └ db          数据
router          路由
  └ api         接口路由
    ├context    自定义Context,便于扩展API层扩展
    └router     路由
  ├ socket      socket示范
  └ web         Web路由
    ├context    自定义Context,便于扩展Webb层扩展
    └router     路由        
template        模板
  └ pongo2      pongo2模板
util            公共工具
  ├ conv        类型转换
  ├ crypt       加/解密
  └ sql         SQL

框架功能

功能 描述
配置 toml配置文件
子域名部署 子域名区分模块
缓存 Redis、Memcached、Memory
Session Redis、File、Cookie,支持Flash
ORM Fork gormFirstSQLLastSQLFindSQLCountSQL支持构造查询SQL
查询缓存 支持FirstLastFindCount的查询缓存
模板 支持html/template、pongo2,模板支持打包bindata
静态 静态资源,支持打包bindata
安全 CORS、CSRF、XSS、HSTS、验证码等
OpenTracing Tracer支持Jaeger、Appdash,在Request、ORM层做跟踪,可在conf配置开启)
其他 JWT、Socket演示
目标功能 描述
安全 SQL注入等
日志 分级
多语言 i18n

Confd管理配置

# 安装confd
$ go get github.com/kelseyhightower/confd
# 将配置写入etcd,统一前缀echo-web
$ etcdctl ls --recursive --sort /echo-web
/echo-web/app
/echo-web/app/name
......
/echo-web/tmpl/suffix
/echo-web/tmpl/type

$ cd {pwd}/echo-web
$ confd -onetime -confdir conf  -backend etcd -node http://127.0.0.1:4001 -prefix echo-web

OpenTracing

可在conf.toml开启或禁用

[opentracing]
disable = false

# jaeger or appdash
type = "jaeger"

# jaeger serviceName
service_name = "echo-web"

# jaeger-agent 127.0.0.1:6831
# appdash http://localhost:8700
address = "127.0.0.1:6831"

Docker部署

Dockerfile含两种方式,源码方式镜像包偏大

# 创建镜像,注意修改配置
$ docker build -t hbchen/echo-web:v0.0.1 .

# 运行容器
$ docker run  \
     -p 8080:8080 \
     --name=echo-web \
     hbchen/echo-web:v0.0.1

*MySQL、Redis、Memcached等服务配置问题

# 如果是服务在宿主机需要配置服务IP为主机IP,127.0.0.1/localhost网络不通

# hbchen/echo-web使用的配置,在宿主机host上做个映射(192.168.1.8为主机IP)
# 192.168.1.8 mysql.localhost.com
# 192.168.1.8 redis.localhost.com
# 192.168.1.8 memcached.localhost.com
[database]
host = "mysql.localhost.com"

[redis]
server = "redis.localhost.com:6379"

[memcached]
server = "memcached.localhost.com:11211"
自动修改/etc/hosts,映射自定义域名到主机IP
$ vi ~/.profile

# 添加
grep -v "etcd.localhost.com\|consul.localhost.com\|mysql.localhost.com\|redis.localhost.com\|memcached.localhost.com" /etc/hosts > ~/hosts_temp
cat ~/hosts_temp > /etc/hosts
LC_ALL=C ifconfig en0 | grep 'inet ' | cut -d ' ' -f2 | awk '{print $1 " etcd.localhost.com\n" $1 " consul.localhost.com\n" $1 " mysql.localhost.com\n"$1     " redis.localhost.com\n" $1 " memcached.localhost.com"}' >> /etc/hosts

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