feat: dynamic ports (#10)

Dockerfile

@@ -16,6 +16,8 @@ RUN apt-get update \
         htop \
         iputils-ping \
         openssh-client \
+        # Needed for envsubst
+        gettext-base \ 
 # Install cron file
     && echo "MAILTO=\"\"\n* * * * * webuser /usr/bin/php /var/www/html/artisan schedule:run" > /etc/cron.d/laravel \
 # Install node & npm

README.md

@@ -29,6 +29,9 @@ services:
             - PGID=1000
             - APP_URL=http://localhost
             - TZ=Europe/Berlin
+            # Uncomment if you want to use ports other than 80 & 443
+            # - HTTP_PORT=8080
+            # - HTTPS_PORT=8443
         volumes:
             - '/etc/localtime:/etc/localtime:ro'
             - './data/config:/config' # Directory for sqlite database & .env

docker-compose.build.yml

@@ -10,6 +10,8 @@ services:
       - PGID=1000
       - APP_URL=http://localhost
       - TZ=Europe/Berlin
+      - HTTP_PORT=8080
+      - HTTPS_PORT=8443
     volumes:
       - '/etc/localtime:/etc/localtime:ro'
       - './data/config:/config' # Directory for sqlite database & .env

docker/deploy/etc/s6-overlay/s6-rc.d/nginx/data/check

@@ -0,0 +1,16 @@
+#!/command/with-contenv bash
+if [[ -z "${HTTP_PORT}" ]]; then
+    url="http://localhost/ping"
+else
+    url="http://localhost:${HTTP_PORT}/ping"
+fi
+
+response=$(curl --location --insecure --silent "$url")
+
+if [[ $response == "pong" ]]; then
+	exit 0
+else
+	echo "❌ There seems to be a failure in checking the web server + PHP-FPM. Here's the response:"
+	echo $response
+	exit 1
+fi

docker/deploy/etc/s6-overlay/scripts/laravel-automations

@@ -136,6 +136,56 @@ s6-setuidgid webuser php $WEBUSER_HOME/artisan db:seed --class FirstAdminUserSee
 echo "✅ Admin user created."
 echo ""
 
+# Replace ports. Needed as the project is running in network_mode: host which doesn't support mapping ports.
+# The nginx files have to be modified manually.
+#
+# Creates:
+# - http.conf.bak      https.conf.bak      (Original files)
+# - http.conf.template https.conf.template (Files with port variables to replace)
+# - http.conf          https.conf          (Files used by the webserver, recreated each start)
+echo "Replacing ports..."
+
+if [ ! -f "/etc/nginx/site-opts.d/http.conf.bak" ] || [ ! -f "/etc/nginx/site-opts.d/http.conf.template" ]; then
+    cp /etc/nginx/site-opts.d/http.conf /etc/nginx/site-opts.d/http.conf.bak
+    cp /etc/nginx/site-opts.d/http.conf /etc/nginx/site-opts.d/http.conf.template
+
+    # Replace the port "80" with "${HTTP_PORT}" in the file
+    sed -i 's/listen 80 default_server;/listen ${HTTP_PORT} default_server;/' /etc/nginx/site-opts.d/http.conf.template
+    sed -i 's/listen \[::\]:80 default_server;/listen [::]:${HTTP_PORT} default_server;/' /etc/nginx/site-opts.d/http.conf.template
+fi
+
+if [ ! -f "/etc/nginx/site-opts.d/https.conf.bak" ] || [ ! -f "/etc/nginx/site-opts.d/https.conf.template" ]; then
+    cp /etc/nginx/site-opts.d/https.conf /etc/nginx/site-opts.d/https.conf.bak
+    cp /etc/nginx/site-opts.d/https.conf /etc/nginx/site-opts.d/https.conf.template
+
+    # Replace the port "443" with "${HTTPS_PORT}" in the file
+    sed -i 's/listen 443 http2 ssl default_server;/listen ${HTTPS_PORT} http2 ssl default_server;/' /etc/nginx/site-opts.d/https.conf.template
+    sed -i 's/listen \[::\]:443 http2 ssl default_server;/listen [::]:${HTTPS_PORT} http2 ssl default_server;/' /etc/nginx/site-opts.d/https.conf.template
+fi
+
+if [[ -z "$HTTP_PORT" ]]; then
+    echo "No overridden HTTP port found. Using default config."
+
+    cp /etc/nginx/site-opts.d/http.conf.bak /etc/nginx/site-opts.d/http.conf
+else 
+    echo "Replacing HTTP Port with $HTTP_PORT"
+
+    envsubst '$$HTTP_PORT' < /etc/nginx/site-opts.d/http.conf.template > /etc/nginx/site-opts.d/http.conf
+fi
+
+if [[ -z "$HTTPS_PORT" ]]; then
+    echo "No overridden HTTPS port found. Using default config."
+
+    cp /etc/nginx/site-opts.d/https.conf.bak /etc/nginx/site-opts.d/https.conf
+else 
+    echo "Replacing HTTPS Port with $HTTPS_PORT"
+
+    envsubst '$$HTTPS_PORT' < /etc/nginx/site-opts.d/https.conf.template > /etc/nginx/site-opts.d/https.conf
+fi
+
+echo "✅ Ports replaced."
+echo ""
+
 # App install done, show a message
 echo "✅  All set, Template started."
 echo ""