docker build nginx + nodejs

出處：
https://semaphoreci.com/community/tutorials/dockerizing-a-node-js-web-application

最後要用
 docker run -it -P markthethomas/dockerizing-nodejs-app
-it 別忘

怕那天被砍檔，紀錄他的file setting

# Dockerfile
# using debian:jessie for it's smaller size over ubuntu
FROM debian:jessie

# Replace shell with bash so we can source files
RUN rm /bin/sh && ln -s /bin/bash /bin/sh

# Set environment variables
ENV appDir /var/www/app/current

# Run updates and install deps
RUN apt-get update

RUN apt-get install -y -q --no-install-recommends \
    apt-transport-https \
    build-essential \
    ca-certificates \
    curl \
    g++ \
    gcc \
    git \
    make \
    nginx \
    sudo \
    wget \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get -y autoclean

ENV NVM_DIR /usr/local/nvm
ENV NODE_VERSION 5.1.0

# Install nvm with node and npm
RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.29.0/install.sh | bash \
    && source $NVM_DIR/nvm.sh \
    && nvm install $NODE_VERSION \
    && nvm alias default $NODE_VERSION \
    && nvm use default

# Set up our PATH correctly so we don't have to long-reference npm, node, &c.
ENV NODE_PATH $NVM_DIR/versions/node/v$NODE_VERSION/lib/node_modules
ENV PATH      $NVM_DIR/versions/node/v$NODE_VERSION/bin:$PATH

# Set the work directory
RUN mkdir -p /var/www/app/current
WORKDIR ${appDir}

# Add our package.json and install *before* adding our application files
ADD package.json ./
RUN npm i --production

# Install pm2 so we can run our application
RUN npm i -g pm2

# Add application files
ADD . /var/www/app/current

#Expose the port
EXPOSE 80

CMD ["pm2", "start", "processes.json", "--no-daemon"]

# voila!

.dockignore :
.git
.gitignore
node_modules

processes.json :

{

    "apps": [

        {

            "name": "api",

            "script": "./bin/www",

            "merge_logs": true,

            "max_restarts": 20,

            "instances": 4,

            "max_memory_restart": "200M",

            "env": {

                "PORT": 80,

                "NODE_ENV": "production"

            }

        }

    ]

}

package.json:

{

  "name": "dd",

  "version": "0.0.0",

  "private": true,

  "scripts": {

    "start": "node ./bin/www"

  },

  "dependencies": {

    "body-parser": "~1.13.2",

    "cookie-parser": "~1.3.5",

    "debug": "~2.2.0",

    "express": "~4.13.1",

    "jade": "~1.11.0",

    "morgan": "~1.6.1",

    "pm2": "^2.0.18",

    "serve-favicon": "~2.3.0"

  }

}