Setup letsencrypt

according to https://medium.com/@pentacent/nginx-and-lets-encrypt-with-docker-in-less-than-5-minutes-b4b8a60d3a71

.gitignore

@@ -1 +1,2 @@
 docker-compose-test.yml
+data/certbot

data/nginx/app.conf

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+server {
+    listen 80;
+    server_name ticket.simplificator.com;
+
+    location / {
+        return 301 https://$host$request_uri;
+    }
+    location /.well-known/acme-challenge/ {
+        root /var/www/certbot;
+    }
+}
+
+server {
+    listen 443 ssl;
+    server_name ticket.simplificator.com;
+
+    ssl_certificate /etc/letsencrypt/live/ticket.simplificator.com/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/ticket.simplificator.com/privkey.pem;
+    include /etc/letsencrypt/options-ssl-nginx.conf;
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
+    
+    location / {
+        proxy_pass http://ticket.simplificator.com;
+    }
+}

deploy.sh

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+docker-compose -f docker-compose.yml -f docker-compose.prod.yml up -d

docker-compose.prod.yml

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+version: '2'
+services:
+
+  zammad-nginx:
+    environment:
+      - VIRTUAL_HOST=ticket.simplificator.com
+    volumes:
+      - ./data/nginx:/etc/nginx/conf.d
+      - ./data/certbot/conf:/etc/letsencrypt
+      - ./data/certbot/www:/var/www/certbot
+    ports:
+      - "80:80"
+      - "443:443"
+
+  certbot:
+    image: certbot/certbot
+    volumes:
+      - ./data/certbot/conf:/etc/letsencrypt
+      - ./data/certbot/www:/var/www/certbot
+
+

init-letsencrypt.sh

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+#!/bin/bash
+
+domains=(ticket.simplificator.com)
+rsa_key_size=4096
+data_path="./data/certbot"
+email="operations@simplificator.com" # Adding a valid address is strongly recommended
+nginx_service_name=zammad-nginx
+compose_files=" -f docker-compose.yml -f docker-compose.prod.yml "
+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/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 $compose_files run --rm --entrypoint "\
+  openssl req -x509 -nodes -newkey rsa:1024 -days 1\
+    -keyout '$path/privkey.pem' \
+    -out '$path/fullchain.pem' \
+    -subj '/CN=localhost'" certbot
+echo
+
+
+echo "### Starting $nginx_service_name ..."
+docker-compose $compose_files up --force-recreate -d $nginx_service_name
+echo
+
+echo "### Deleting dummy certificate for $domains ..."
+docker-compose $compose_files run --rm --entrypoint "\
+  rm -Rf /etc/letsencrypt/live/$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 $compose_files 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_service_name ..."
+docker-compose $compose_files exec $nginx_service_name nginx -s reload