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Nginx + HTTPS + Docker
version: '3'
services:
nginx:
image: nginx:1.15-alpine
ports:
- "80:80"
- "443:443"
volumes:
- ./nginx:/etc/nginx/conf.d
- ./certbot/conf:/etc/letsencrypt
- ./certbot/www:/var/www/certbot
command: "/bin/sh -c 'while :; do sleep 6h & wait $${!}; nginx -s reload; done & nginx -g \"daemon off;\"'"
depends_on:
- flask_app
networks:
- my-network
certbot:
image: certbot/certbot
volumes:
- ./certbot/conf:/etc/letsencrypt
- ./certbot/www:/var/www/certbot
entrypoint: "/bin/sh -c 'trap exit TERM; while :; do certbot renew; sleep 12h & wait $${!}; done;'"
flask_app:
container_name: flask_app
restart: always
image: registry.gitlab.com/enpact/flask-server
ports:
- "8000:8000"
command: gunicorn -w 4 -b 0.0.0.0:8000 run:app
volumes:
- ./:/code/
networks:
- my-network
networks:
my-network:
#!/bin/bash
if ! [ -x "$(command -v docker-compose)" ]; then
echo 'Error: docker-compose is not installed.' >&2
exit 1
fi
domains=(startup-meter.louisguitton.com)
rsa_key_size=4096
data_path="./certbot"
email="admin@guitton.co" # Adding a valid address is strongly recommended
staging=0 # Set to 1 if you're testing your setup to avoid hitting request limits
if [ -d "$data_path" ]; then
read -p "Existing data found for $domains. Continue and replace existing certificate? (y/N) " decision
if [ "$decision" != "Y" ] && [ "$decision" != "y" ]; then
exit
fi
fi
if [ ! -e "$data_path/conf/options-ssl-nginx.conf" ] || [ ! -e "$data_path/conf/ssl-dhparams.pem" ]; then
echo "### Downloading recommended TLS parameters ..."
mkdir -p "$data_path/conf"
curl -s https://raw.githubusercontent.com/certbot/certbot/master/certbot-nginx/certbot_nginx/tls_configs/options-ssl-nginx.conf > "$data_path/conf/options-ssl-nginx.conf"
curl -s https://raw.githubusercontent.com/certbot/certbot/master/certbot/ssl-dhparams.pem > "$data_path/conf/ssl-dhparams.pem"
echo
fi
echo "### Creating dummy certificate for $domains ..."
path="/etc/letsencrypt/live/$domains"
mkdir -p "$data_path/conf/live/$domains"
docker-compose run --rm --entrypoint "\
openssl req -x509 -nodes -newkey rsa:1024 -days 1\
-keyout '$path/privkey.pem' \
-out '$path/fullchain.pem' \
-subj '/CN=localhost'" certbot
echo
echo "### Starting nginx ..."
docker-compose up --force-recreate -d nginx
echo
echo "### Deleting dummy certificate for $domains ..."
docker-compose run --rm --entrypoint "\
rm -Rf /etc/letsencrypt/live/$domains && \
rm -Rf /etc/letsencrypt/archive/$domains && \
rm -Rf /etc/letsencrypt/renewal/$domains.conf" certbot
echo
echo "### Requesting Let's Encrypt certificate for $domains ..."
#Join $domains to -d args
domain_args=""
for domain in "${domains[@]}"; do
domain_args="$domain_args -d $domain"
done
# Select appropriate email arg
case "$email" in
"") email_arg="--register-unsafely-without-email" ;;
*) email_arg="--email $email" ;;
esac
# Enable staging mode if needed
if [ $staging != "0" ]; then staging_arg="--staging"; fi
docker-compose run --rm --entrypoint "\
certbot certonly --webroot -w /var/www/certbot \
$staging_arg \
$email_arg \
$domain_args \
--rsa-key-size $rsa_key_size \
--agree-tos \
--force-renewal" certbot
echo
echo "### Reloading nginx ..."
docker-compose exec nginx nginx -s reload
server {
listen 80;
server_name startup-meter.louisguitton.com;
location / {
return 301 https://$host$request_uri;
}
location /.well-known/acme-challenge/ {
root /var/www/certbot;
}
}
server {
listen 443 ssl;
server_name startup-meter.louisguitton.com;
location / {
proxy_pass http://flask_app:8000;
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Host $server_name;
}
ssl_certificate /etc/letsencrypt/live/startup-meter.louisguitton.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/startup-meter.louisguitton.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
}
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