Web Proxy using Docker, NGINX and Let's Encrypt

With this repo you will be able to set up your server with multiple sites using a single NGINX proxy to manage your connections, automating your apps container (port 80 and 443) to auto renew your ssl certificates with Let´s Encrypt.

Something like:

Why use it?

Using this set up you will be able start a production environment in a few seconds. And to start new web project simply start new containers the option -e VIRTUAL_HOST=your.domain.com and will be ready to go, if you want to use SSL (Let's Encrypt) just add the tag -e LETSENCRYPT_HOST=your.domain.com. Done!

Easy and trustworthy!

Prerequisites

In order to use this compose file (docker-compose.yml) you must have:

docker (https://docs.docker.com/engine/installation/)
docker-compose (https://docs.docker.com/compose/install/)

How to use it

Clone this repository:

git clone https://github.com/evertramos/docker-compose-letsencrypt-nginx-proxy-companion.git

Make a copy of our .env.sample and rename it to .env:

Update this file with your preferences.

#
# WEBPROXY
#
# A Web Proxy using docker with NGINX with Let's Encrypt
# And our great community docker-gen, nginx-proxy and docker-letsencrypt-nginx-proxy-companion
#
# This is the .env file to set up your webproxy environment

# Define the names for your local containers
NGINX_WEB=nginx-web
DOCKER_GEN=nginx-gen
LETS_ENCRYPT=nginx-letsencrypt

# Your external IP address
IP=0.0.0.0

# Network name
NETWORK=webproxy

# NGINX file path
NGINX_FILES_PATH=/path/to/your/nginx/data

Run our start script

# ./run.sh

Your proxy is ready to go!

Starting your web containers

After following the steps above you can start new web containers with port 80 open and add the option -e VIRTUAL_HOST=your.domain.com so proxy will automatically generate the reverse script in NGINX Proxy to forward new connections to your web/app container, as of:

docker run -d -e VIRTUAL_HOST=your.domain.com \
              --network=webproxy \
              --name my_app \
              httpd:alpine

To have SSL in your web/app you just add the option -e LETSENCRYPT_HOST=your.domain.com, as follow:

docker run -d -e VIRTUAL_HOST=your.domain.com \
              -e LETSENCRYPT_HOST=your.domain.com \
              -e LETSENCRYPT_EMAIL=your.email@your.domain.com \
              --network=webproxy \
              --name my_app \
              httpd:alpine

You don´t need to open port 443 in your container, the certificate validation is managed by the web proxy.

Please note that when running a new container to generate certificates with LetsEncrypt (-e LETSENCRYPT_HOST=your.domain.com), it may take a few minutes, depending on multiples circunstances.

Futher Options

Basic Authentication Support

In order to be able to secure your virtual host with basic authentication, you must create a file named as its equivalent VIRTUAL_HOST variable on directory ${NGINX_FILES_PATH}/htpasswd/$VIRTUAL_HOST.

After set up this webproxy, you will do the following:

sudo sh -c "echo -n 'user_name:' >> ${NGINX_FILES_PATH}/your_domain.com"
sudo sh -c "openssl passwd -apr1 >> ${NGINX_FILES_PATH}/your_domain.com"

Please substitute the ${NGINX_FILES_PATH} with your path information and your virtual host name as your_domain.com.

Testing your proxy with scripts preconfigured

Run the script test.sh informing your domain already configured in your DNS to point out to your server as follow:

# ./test.sh your.domain.com

or simply run:

 docker run -dit -e VIRTUAL_HOST=your.domain.com --network=webproxy --name test-web httpd:alpine

Access your browser with your domain!

To stop and remove your test container run our stop_test.sh script:

# ./stop_test.sh

Or simply run:

docker stop test-web && docker rm test-web

Production Environment using Web Proxy and Wordpress

In this repo you will find a docker-compose file to start a production environment for a new wordpress site.

Credits

Without the repositories below this webproxy wouldn´t be possible.

Credits goes to:

nginx-proxy @jwilder
docker-gen @jwilder
docker-letsencrypt-nginx-proxy-companion @JrCs

Special thanks to:

@buchdag
@fracz - Update repo to use .env file

License

Julianoe/docker-compose-letsencrypt-nginx-proxy-companion

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