asp.net core应用docke部署到centos7的全过程

# 更新
yum -y update
# 下载docker的依赖环境
yum install -y yum-utils device-mapper-persistent-data lvm2
# 设置镜像源
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
# 安装docker
yum -y install docker-ce
# 启动docker 服务
systemctl start docker 
# 设置开机自动启动
systemctl enable docker
# 测试
docker run hello-world

yum install -y vim 
yum install -y unzip 
# xshell传输文件 
yum install -y lrzsz

#See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.

FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim AS base
WORKDIR /app
EXPOSE 80
EXPOSE 443

FROM mcr.microsoft.com/dotnet/core/sdk:3.1-buster AS build
WORKDIR /src
COPY ["NetCoreSample/NetCoreSample.csproj", "NetCoreSample/"]
RUN dotnet restore "NetCoreSample/NetCoreSample.csproj"
COPY . .
WORKDIR "/src/NetCoreSample"
RUN dotnet build "NetCoreSample.csproj" -c Release -o /app/build

FROM build AS publish
RUN dotnet publish "NetCoreSample.csproj" -c Release -o /app/publish

FROM base AS final
WORKDIR /app
COPY --from=publish /app/publish .
ENTRYPOINT ["dotnet", "NetCoreSample.dll"]

cd /
# 创建目录来存放文件
mkdir workspace 
cd workspace
# 上传文件(请选安装lrzsz)
rz -y 

# 解压文件到NetCoreSample
unzip NetCoreSample.zip -d NetCoreSample

# 构建镜像
docker build -t netcoresample 
# 查看
docker images

# 运行实例
docker run -it --rm -p 5000:80 --name netcore_sample netcoresample &

# 查看
docker ps 

# 删除镜像命令 注意可能有依赖关系,可能需要删除两个
docker rmi -f 镜像id
# 删除docker实例
docker kill 实例id