Improve init script with interactive prompts for domain name and modern docker syntax

.gitignore

@@ -1 +1,2 @@
 /data/certbot
+/data/nginx/app.conf

data/nginx/app.conf → data/nginx/app.conf.example

@@ -23,7 +23,7 @@ server {
     ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
 
     location / {
-        proxy_pass  http://example.org;
+        proxy_pass  http://your-web-server:3000;
         proxy_set_header    Host                $http_host;
         proxy_set_header    X-Real-IP           $remote_addr;
         proxy_set_header    X-Forwarded-For     $proxy_add_x_forwarded_for;

init-letsencrypt.sh

@@ -1,16 +1,42 @@
 #!/bin/bash
 
-if ! [ -x "$(command -v docker-compose)" ]; then
-  echo 'Error: docker-compose is not installed.' >&2
+if ! [ -x "$(command -v docker)" ]; then
+  echo 'Error: docker is not installed.' >&2
   exit 1
 fi
 
-domains=(example.org www.example.org)
+# Ask for domain
+read -p "Enter your domain (e.g., example.org): " domain
+if [ -z "$domain" ]; then
+  echo "Error: Domain is required." >&2
+  exit 1
+fi
+
+# Ask for webserver URL
+read -p "Enter your webserver URL (e.g., http://localhost:3000): " webserver_url
+if [ -z "$webserver_url" ]; then
+  echo "Error: Webserver URL is required." >&2
+  exit 1
+fi
+
+domains=($domain www.$domain)
 rsa_key_size=4096
 data_path="./data/certbot"
 email="" # Adding a valid address is strongly recommended
 staging=0 # Set to 1 if you're testing your setup to avoid hitting request limits
 
+# Create nginx configuration file
+echo "### Creating nginx configuration file ..."
+if [ ! -f "data/nginx/app.conf.example" ]; then
+  echo "Error: data/nginx/app.conf.example not found." >&2
+  exit 1
+fi
+
+# Create the app.conf file with replacements
+sed "s/example.org/$domain/g; s|http://your-web-server:3000|$webserver_url|g" data/nginx/app.conf.example > data/nginx/app.conf
+echo "Created data/nginx/app.conf with domain: $domain and webserver URL: $webserver_url"
+echo
+
 if [ -d "$data_path" ]; then
   read -p "Existing data found for $domains. Continue and replace existing certificate? (y/N) " decision
   if [ "$decision" != "Y" ] && [ "$decision" != "y" ]; then
@@ -30,7 +56,7 @@ fi
 echo "### Creating dummy certificate for $domains ..."
 path="/etc/letsencrypt/live/$domains"
 mkdir -p "$data_path/conf/live/$domains"
-docker-compose run --rm --entrypoint "\
+docker compose run --rm --entrypoint "\
   openssl req -x509 -nodes -newkey rsa:$rsa_key_size -days 1\
     -keyout '$path/privkey.pem' \
     -out '$path/fullchain.pem' \
@@ -39,11 +65,11 @@ echo
 
 
 echo "### Starting nginx ..."
-docker-compose up --force-recreate -d nginx
+docker compose up --force-recreate -d nginx
 echo
 
 echo "### Deleting dummy certificate for $domains ..."
-docker-compose run --rm --entrypoint "\
+docker compose run --rm --entrypoint "\
   rm -Rf /etc/letsencrypt/live/$domains && \
   rm -Rf /etc/letsencrypt/archive/$domains && \
   rm -Rf /etc/letsencrypt/renewal/$domains.conf" certbot
@@ -66,7 +92,7 @@ esac
 # Enable staging mode if needed
 if [ $staging != "0" ]; then staging_arg="--staging"; fi
 
-docker-compose run --rm --entrypoint "\
+docker compose run --rm --entrypoint "\
   certbot certonly --webroot -w /var/www/certbot \
     $staging_arg \
     $email_arg \
@@ -77,4 +103,4 @@ docker-compose run --rm --entrypoint "\
 echo
 
 echo "### Reloading nginx ..."
-docker-compose exec nginx nginx -s reload
+docker compose exec nginx nginx -s reload