79 lines
2.2 KiB
Bash
79 lines
2.2 KiB
Bash
#!/bin/bash
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# Source https://pentacent.medium.com/nginx-and-lets-encrypt-with-docker-in-less-than-5-minutes-b4b8a60d3a71
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if ! [ -x "$(command -v docker compose)" ]; then
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echo 'Error: docker compose is not installed.' >&2
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exit 1
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fi
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domains=(example.org www.example.org)
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rsa_key_size=4096
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data_path="./certbot"
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email="" # Adding a valid address is strongly recommended
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staging=0 # Set to 1 if you're testing your setup to avoid hitting request limits
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if [ -d "$data_path" ]; then
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read -p "Existing data found for $domains. Continue and replace existing certificate? (y/N) " decision
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if [ "$decision" != "Y" ] && [ "$decision" != "y" ]; then
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exit
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fi
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fi
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if [ ! -e "$data_path/ssl-dhparams.pem" ]; then
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echo "### Generating ssl-dhparams.pem ..."
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docker compose run --rm --entrypoint "\
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openssl dhparam 4096 -out /etc/letsencrypt/ssl-dhparams.pem" certbot
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echo
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fi
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echo "### Creating dummy certificate for $domains ..."
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path="/etc/letsencrypt/live/$domains"
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mkdir -p "$data_path/conf/live/$domains"
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docker compose run --rm --entrypoint "\
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openssl req -x509 -nodes -newkey rsa:$rsa_key_size -days 1\
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-keyout '$path/privkey.pem' \
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-out '$path/fullchain.pem' \
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-subj '/CN=localhost'" certbot
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echo
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echo "### Starting nginx ..."
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docker compose up --force-recreate -d nginx
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echo
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echo "### Deleting dummy certificate for $domains ..."
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docker compose run --rm --entrypoint "\
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rm -Rf /etc/letsencrypt/live/$domains && \
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rm -Rf /etc/letsencrypt/archive/$domains && \
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rm -Rf /etc/letsencrypt/renewal/$domains.conf" certbot
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echo
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echo "### Requesting Let's Encrypt certificate for $domains ..."
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#Join $domains to -d args
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domain_args=""
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for domain in "${domains[@]}"; do
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domain_args="$domain_args -d $domain"
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done
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# Select appropriate email arg
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case "$email" in
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"") email_arg="--register-unsafely-without-email" ;;
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*) email_arg="--email $email" ;;
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esac
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# Enable staging mode if needed
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if [ $staging != "0" ]; then staging_arg="--staging"; fi
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docker compose run --rm --entrypoint "\
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certbot certonly --webroot -w /var/www/certbot \
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$staging_arg \
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$email_arg \
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$domain_args \
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--rsa-key-size $rsa_key_size \
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--agree-tos \
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--force-renewal" certbot
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echo
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echo "### Reloading nginx ..."
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docker compose exec nginx nginx -s reload
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