Please perform the next steps to setup a full pack of applications:
sudo apt update && sudo apt upgrade -y
sudo apt install openjdk-11-jdk -y
Install Apache HTTP Server
sudo apt install apache2 -y
Download and unpack WildFly distribution
wget https://github.com/wildfly/wildfly/releases/download/30.0.0.Final/wildfly-30.0.0.Final.tar.gz
tar xf wildfly-30.0.0.Final.tar.gz
sudo mv wildfly-30.0.0.Final /opt/wildfly
Create a new user and group for WildFly service
sudo useradd --system --no-create-home --user-group wildfly
Change the owner of /opt/wildfly directory to the wildfly user and group
sudo chown -R wildfly:wildfly /opt/wildfly
Create a configuration file for the WildFly service
sudo bash -c 'cat > /etc/systemd/system/wildfly.service << EOF
[Unit]
Description=The WildFly Application Server
After=syslog.target network.target
[Service]
User=wildfly
Group=wildfly
ExecStart=/opt/wildfly/bin/standalone.sh -b=0.0.0.0
ExecReload=/bin/kill -HUP $MAINPID
Restart=always
RestartSec=10
[Install]
WantedBy=multi-user.target
EOF'
Reload the systemd system configuration
sudo systemctl daemon-reload
Start the WildFly service
sudo systemctl start wildfly
Install your test web application
sudo mv your-app.war /opt/wildfly/standalone/deployments/
Enable the WildFly service to start on boot
sudo systemctl enable wildfly
Create a directory for private key and certificate
sudo mkdir /etc/apache2/ssl
Generate self-signed SSL certificate and private key
sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/apache2/ssl/apache.key -out /etc/apache2/ssl/apache.crt
Configure Apache to use SSL
sudo bash -c 'cat > /etc/apache2/sites-available/000-default.conf << EOF
<VirtualHost *:80>
ServerName localhost
Redirect / https://localhost/
</VirtualHost>
<VirtualHost *:443>
SSLEngine on
SSLCertificateFile /etc/apache2/ssl/apache.crt
SSLCertificateKeyFile /etc/apache2/ssl/apache.key
ProxyRequests Off
ProxyPreserveHost On
ProxyPass / http://localhost:8080/
ProxyPassReverse / http://localhost:8080/
</VirtualHost>
EOF'
Enable the SSL and proxy modules
sudo a2enmod ssl
sudo a2enmod proxy
sudo a2enmod proxy_http
Restart Apache to implement changes
sudo systemctl restart apache2
Configure WildFly to use the correct IP address [optional]
sudo sed -i 's/<inet-address value="${jboss.bind.address.management:127.0.0.1}"/<inet-address value="${jboss.bind.address.management:0.0.0.0}"/g' /opt/wildfly/standalone/configuration/standalone.xml
sudo sed -i 's/<inet-address value="${jboss.bind.address:127.0.0.1}"/<inet-address value="${jboss.bind.address:0.0.0.0}"/g' /opt/wildfly/standalone/configuration/standalone.xml
Restart the WildFly service [optional]
sudo systemctl restart wildfly
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