- Install Nginx
- Install Flask
sudo apt-get update
sudo apt-get install python3-pip
sudo pip install Flask
sudo apt install nginx
Make sure you open some ports for your app. This tutorial uses port 80 and 8080.
Just clone this repo
Configure gunicorn as a service
cd /etc/systemd/system
Create gunicorn service for app0
sudo nano app0.service
Type this
[Unit]
Description=Gunicorn service for app0
After=network.target
[Service]
User=ubuntu
Group=www-data
WorkingDirectory=/home/ubuntu/flask-deployment/app0/app
ExecStart=/usr/bin/gunicorn3 --workers 3 --bind unix:app0.sock -m 007 app0:app
Restart=always
[Install]
WantedBy=multi-user.target
Save it and exit
Create gunicorn service for app1
sudo nano app1.service
Type this
[Unit]
Description=Gunicorn service for app1
After=network.target
[Service]
User=ubuntu
Group=www-data
WorkingDirectory=/home/ubuntu/flask-deployment/app1/app
ExecStart=/usr/bin/gunicorn3 --workers 3 --bind unix:app1.sock -m 007 app1:app
Restart=always
[Install]
WantedBy=multi-user.target
Save it and exit
Go to nginx folder
cd /etc/nginx/sites-enabled
Create a new setting
sudo nano app
Type this
server{
listen 80;
#put your public ip address here
server_name 54.238.205.176;
location / {
#proxy_pass http://127.0.0.1:8000;
proxy_pass /home/ubuntu/flask-deployment/app0/app/app0.sock;
}
}
server{
listen 8080;
#put your public ip address here
server_name 54.238.205.176;
location / {
#proxy_pass http://127.0.0.1:8000;
proxy_pass /home/ubuntu/flask-deployment/app1/app/app1.sock;
}
}
Save it and exit
sudo systemctl daemon-reload
sudo service nginx restart
sudo service app0 restart
sudo service app1 restart
On your browser, type your public IP address followed by the port. For example:
54.238.205.176:80
or
54.238.205.176:8080
or you can also curl it.
curl 54.238.205.176:80
or
curl 54.238.205.176:8080
If you encountered error 505, try this but not sure if this a good security practice.
chmod o+rx /example_root_folder
Useful commands
Check gunicorn services
sudo systemctl status gunicorn
sudo apt install docker-compose
Create Dockerfile in each app
app0/Dockerile
FROM ubuntu:18.04
MAINTAINER [email protected]
RUN apt-get update -y
RUN apt-get install python3-pip -y
RUN apt-get install gunicorn3 -y
COPY requirements.txt requirements.txt
COPY app0 /app/
RUN pip3 install -r requirements.txt
WORKDIR /app/
CMD ["gunicorn3", "-b", "0.0.0.0:8000", "app0:app", "--workers=3"]
app1/Dockerile
FROM ubuntu:18.04
MAINTAINER [email protected]
RUN apt-get update -y
RUN apt-get install python3-pip -y
RUN apt-get install gunicorn3 -y
COPY requirements.txt requirements.txt
RUN pip3 install -r requirements.txt
COPY app /app
WORKDIR /app/
CMD ["gunicorn3", "-b", "0.0.0.0:8080", "app1:app", "--workers=3"]
create docker-compose.yml file
version: '3'
services:
app0:
build: ./app0
container_name: app0
network_mode: host
app1:
build: ./app1
container_name: app1
network_mode: host
nginx:
build: ./nginx
container_name: nginx
environment:
- SERVER_NAME=0.0.0.0 #put your public IP here
restart: always
network_mode: host
build docker image and run in on background
sudo docker-compose up --build -d
list all docker images
sudo docker images
delete all images
docker rmi -f $(docker images -aq)
run all images
sudo docker-compose up
build and run all images in the background
sudo docker-compose up --build -d
show all running containers
sudo docker ps
list all docker images
docker images
kill all containers
sudo service docker stop
start all containers
sudo service docker start
builds the images, does not start the containers
sudo docker-compose build
builds the images if the images do not exist and starts the containers
sudo docker-compose up
forced to build the images even when not needed
sudo docker-compose up --build
skips the image build process
sudo docker-compose up --no-build
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