# Docker

Micro易于在docker容器中运行

## 预置的镜像

[Docker Hub](https://hub.docker.com/r/microhq/)上提供了预置的镜像

## 安装Micro

```
docker pull microhq/micro
```

## Compose

使用docker compose运行本地部署

```
consul:
  command: -server -bootstrap -rejoin 
  image: progrium/consul:latest
  hostname: "registry"
  ports:
  - "8300:8300"
  - "8400:8400"
  - "8500:8500"
  - "8600:53/udp"
api:
  command: --registry_address=registry:8500 --register_interval=5 --register_ttl=10 api
  build: .
  links:
  - consul
  ports:
  - "8080:8080"
sidecar:
  command: --registry_address=registry:8500 --register_interval=5 --register_ttl=10 sidecar
  build: .
  links:
  - consul
  ports:
  - "8081:8081"
web:
  command: --registry_address=registry:8500 --register_interval=5 --register_ttl=10 web
  build: .
  links:
  - consul
  ports:
  - "8082:8082"
```

## 从头开始构建

Dockerfile包含在仓库中。

```
FROM alpine:3.2
RUN apk add --update ca-certificates && \
    rm -rf /var/cache/apk/* /tmp/*
ADD micro /micro
WORKDIR /
ENTRYPOINT [ "/micro" ]
```

### 构建二进制

```
CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-w' -i -o micro ./main.go
```

### 构建镜像

```
docker build -t micro .
```