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Dotnet core 2.2 project

In Program.cs

public static void Main(string[] args)
{
    CreateWebHostBuilder(args).UseUrls("http://:8080/").Build().Run();
}
Dockerfile
FROM mcr.microsoft.com/dotnet/core/sdk:2.2 AS build-env
WORKDIR /app

# Copy csproj and restore as distinct layers
COPY *.csproj ./
RUN dotnet restore

# Copy everything else and build
COPY . ./
RUN dotnet publish -c Release -o out

# Build runtime image
FROM mcr.microsoft.com/dotnet/core/aspnet:2.2
ENV ASPNETCORE_URLS=http://:${PORT}
WORKDIR /app
COPY --from=build-env /app/out .

ENTRYPOINT ["dotnet", "tuinhok.dll"]

.dockerignore

bin\
obj\

docker build and push

docker build -t gcr.io/<gcp-project>/<appName>:latest .
docker push gcr.io/<gcp-project>/<appName>:latest

Node express server

const express = require('express')
const app = express()
const port = process.env.PORT || 8080

app.get('/', (req, res) => {
  res.json({
    message: 'Hello World'
  })
})

app.listen(port, () => console.log(`Example app listening on port ${port}!`))

dockerfile for a node project:

FROM node:10

# Create app directory
WORKDIR /usr/src/app

# Install app dependencies
COPY package*.json ./
RUN npm install

COPY . .
CMD ["node", "server-app.js"]
Tags: 
cloud
dotnet core
express
node
docker