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If you want to run the Microgateway on Docker, see Deploying the Microgateway as a Docker Container.

1. Be sure to download and run two Microgateway instances on two different nodes. Let’s refer to each Microgateway download location as <MICROGATEWAY_HOME> throughout this section.

   Expand
   title Click here for detailed instructions on how to run the two On-Prem Gateway Microgateway instances:
   Follow the steps below for each Microgateway instance that you downloaded. Note title Note We do not recommend running two Microgateway instances on a single node for production level high availability deployments. Navigate to <MICROGATEWAY_HOME>/bin, and execute the following command to start configuring the Microgateway: On - On Windows: cloud-init.bat --run On - On Linux/Mac OS: sh cloud-init.sh This allows you to configure the downloaded Microgateway with the settings required to integrate with API Cloud. Provide your email address, organization key, and password. Your organization key will be displayed as shown below.: The status of the Microgateway will be displayed on completion. Navigate to <MICROGATEWAY_HOME>/bin, and execute the following command to run the start up script: On - On Windows: wso2server.bat --run On - On Linux/Mac OS: sh wso2server.sh The Microgateway status will be updated when it starts.

2. Install NGINX in a server configured in your cluster. For instructions on installing NGINX, see installing NGINX community version.
3. Follow the steps below to create a SSL certificate for NGINX.

   1. Create the server key.

      Code Block
      sudo openssl genrsa -des3 -out <key_name>.key 1024

   2. Submit the certificate signing request (CSR).

      Code Block
      sudo openssl req -new -key <key_name>.key -out server.csr

   3. Remove the password.

      Code Block
      sudo cp <key_name>.key <key_name>.key.org sudo openssl rsa -in <key_name>.key.org -out <key_name>.key

   4. Sign your SSL certificate.

      Code Block
      sudo openssl x509 -req -days 365 -in server.csr -signkey <key_name>.key -out <certificate_name>.crt

   5. Copy the key and certificate files that you generated above to the /etc/nginx/ssl/ location.

4. Configure NGINX to direct HTTP and HTTPS requests based on your deployment.

   1. Run the following command to identify the exact location of the <NGINX_HOME> directory. 

      Code Block
      nginx -V

      Inspect the output to identify the --prefix tag that provides the location of the <NGINX_HOME> directory.

   2. Update the ngnix.conf file with the required NGINX configuration given below. Alternatively, you can create a file with the .conf suffix and copy it to the <NGINX_HOME>/conf.d directory.

      Note
      title Note the following with regard to the sample configuration below:
      /etc/nginx/conf.d/hybrid_gateway_upstream.conf is the NGINX configuration file name. Placeholders <IP1> and <IP2> represent the IP addresses of Microgateway node 1 and node 2 respectively. gateway.foo.com is the domain of the certificate you created in step 2 above. Note that the DNS should be mapped to the NGINX public IP. If you do not do the mapping, the client will have to add an entry in /etc/hosts to resolve the domain name. The key and the certificate for SSL is assumed to be in the <NGINX_HOME>/ssl/ location. The placeholders <cert.pem> and <key.pem> represent the generated certificate file and key file. /etc/nginx/log/wso2_hybrid_gateway/https/ is the directory used for access logs. You need create the directory if it does not exist.

      Code Block

      /etc/nginx/conf.d/hybrid_gateway_upstream.conf upstream gateway_https { server <IP1>:8243; server <IP2>:8243; } server { listen 80; server_name gateway.foo.com; rewrite ^/(.*) https://gateway_https/$1 permanent; } server { listen 443; server_name gateway.foo.com; proxy_set_header X-Forwarded-Port 443; ssl on; ssl_certificate /etc/nginx/ssl/<cert.pem>; ssl_certificate_key /etc/nginx/ssl/<key.pem>; location / { proxy_set_header X-Forwarded-Host $host; proxy_set_header X-Forwarded-Server $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_read_timeout 5m; proxy_send_timeout 5m; proxy_pass https://gateway_https; } access_log /etc/nginx/log/wso2_hybrid_gateway/https/access.log; error_log /etc/nginx/log/wso2_hybrid_gateway/https/error.log; }

   3. Execute the following command to restart the NGINX server:

      Tip
      You do not need to restart the server if you are simply making a modification to the VHost file. The following command is sufficient in such cases. Code Block sudo service nginx reload

      Code Block
      sudo service nginx restart

Now you have configured the high availability deployment. Next let's The next step is to test the deployment.