docker http service howto

notes

Dockerfile

FROM python:2-alpine3.7

WORKDIR /usr/src/app
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

EXPOSE 8000

CMD ["gunicorn", "myapp:app"]



requirements.txt
Flask==0.10.1
gunicorn==19.4.5


INSTALL
#!/usr/bin/env bash

set -xue -o posix -o pipefail

# https://www.digitalocean.com/community/tutorials/docker-ubuntu-16-04-ru
sudo apt-get update
sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
sudo apt-add-repository 'deb https://apt.dockerproject.org/repo ubuntu-xenial main'
sudo apt-get update
apt-cache policy docker-engine

echo "EXAMPLE
docker-engine:
Installed: (none)
Candidate: 1.11.1-0~xenial
Version table:
1.11.1-0~xenial 500
500 https://apt.dockerproject.org/repo ubuntu-xenial/main amd64 Packages
1.11.0-0~xenial 500
500 https://apt.dockerproject.org/repo ubuntu-xenial/main amd64 Packages
"

sudo apt-get install -y docker-engine
sudo systemctl status docker

echo "OUTPUT EXAMPLE
docker.service - Docker Application Container Engine
Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2016-05-01 06:53:52 CDT; 1 weeks 3 days ago
Docs: https://docs.docker.com
Main PID: 749 (docker)
"