all in on certbot

This commit is contained in:
Luke Berndt
2024-02-03 11:15:34 -05:00
parent 997fadc865
commit a9020da84d
7 changed files with 20 additions and 107 deletions

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# Automatically renewing Let's Encrypt Certificates
https://github.com/wmnnd/nginx-certbot/tree/master
https://pentacent.medium.com/nginx-and-lets-encrypt-with-docker-in-less-than-5-minutes-b4b8a60d3a71

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@@ -43,8 +43,9 @@ CNAMEs also need to be created for the various services. Create the CNAMEs below
- api
- account
- admin
- www
After doing this, you should have the following domains: `api.domain.com`, `account.domain.com`, `admin.domain.com`
After doing this, you should have the following domains: `api.domain.com`, `account.domain.com`, `admin.domain.com`, `www.domain.com`
### S3 Storage
Currently, both **test** and **prod** expect to use S3-based storage instead of local storage. Switching to use local storage would be relatively easy - but for the sake of testing, let's just say use something S3-compatible. Make sure that ~/.aws/credentials has the credentials you'd like to use with your S3-compatible storage provider.. IE:
@@ -54,6 +55,24 @@ aws_access_key_id = [..]
aws_secret_access_key = [..]
```
# Automatically renewing SSL Certificates
SSL certs are automatically fetched from Let's Encrypt using the CertBot tool. The approach taken is based on this [Medium post](https://pentacent.medium.com/nginx-and-lets-encrypt-with-docker-in-less-than-5-minutes-b4b8a60d3a71) and accompanying [GitHub repo](https://github.com/wmnnd/nginx-certbot/tree/master).
You do need to jump start the process and do an initial fetch. To get started, make sure you have your `prod.env` file filled out. If you don't, copy prod.env.example to prod.env and fill in the details. Make sure **DOMAIN_NAME** and **REACT_APP_ADMIN_EMAIL** are correct and are the version you want to use in production. Those values will be used when requesting an SSL cert from Let's Encrypt.
This script uses Let's Encrypt's [Certbot tool](https://eff-certbot.readthedocs.io/en/latest/).
In the main directory of the **Trunk Server** repo, run the following commands:
```bash
source prod.env
docker compose -f certbot-compose.yml up
```
Check the output from CertBot - and when it is done, just hit `ctrl + c` to exit.
### Configure
The configurations for both **test** and **prod** come from environment variable files that are read in before the containers are started.
Copy the example files and fill in the required info:

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#!/bin/bash
# from https://github.com/wmnnd/nginx-certbot/blob/master/init-letsencrypt.sh
# Load environment variables from prod.env.example
if [ -f prod.env ]; then
source prod.env
else
echo 'Error: prod.env not found, copy prod.example.env to prod.env and fill it in.' >&2
exit 1
fi
# Rest of the script...
if ! [ -x "$(command -v docker compose)" ]; then
echo 'Error: docker compose is not installed.' >&2
exit 1
fi
domains=("$DOMAIN_NAME" "account.$DOMAIN_NAME" "admin.$DOMAIN_NAME" "api.$DOMAIN_NAME" "www.$DOMAIN_NAME")
rsa_key_size=4096
data_path="./data/certbot"
email=$REACT_APP_ADMIN_EMAIL
staging=0 # Set to 1 if you're testing your setup to avoid hitting request limits
if [ -d "$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/_internal/tls_configs/options-ssl-nginx.conf > "$data_path/conf/options-ssl-nginx.conf"
curl -s https://raw.githubusercontent.com/certbot/certbot/master/certbot/certbot/ssl-dhparams.pem > "$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 -f docker-compose.yml -f test-compose.yml run --rm --entrypoint "\
# openssl req -x509 -nodes -newkey rsa:$rsa_key_size -days 1\
# -keyout '$path/privkey.pem' \
# -out '$path/fullchain.pem' \
# -subj '/CN=localhost'" certbot
# echo
echo "### Starting nginx ..."
docker compose -f docker-compose.yml -f test-compose.yml up -d nginx
echo
# echo "### Deleting dummy certificate for $domains ..."
# docker compose -f docker-compose.yml -f test-compose.yml run --rm --entrypoint "\
# rm -Rf /etc/letsencrypt/live/$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 -f certbot-compose.yml 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 -f docker-compose.yml -f test-compose.yml exec nginx nginx -s reload

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@@ -21,7 +21,6 @@ RUN apt-get update \
# Add main NGINX config
COPY *.conf /etc/nginx/
COPY ${STAGE}/certs/ /etc/nginx/certs/
# Add virtual hosts
COPY ${STAGE}/vhosts/ /etc/nginx/conf.d/

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Put you certs here

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# Copy your certs here

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# Copy your certs here