klemzi / 3-tierWithNFS

3-tier Web Application Architecture with single database and an NFS Server as a shared files storage

3-tier Web Application Architecture with a single database and an NFS server as a shared files storage

Prepare NFS server

1. Spinned up an EC2 instance RHEL Linux 8 Operating System.
2. Attached 3 EBS volumes (10GB) and created 3 logical volumes off them.

3. flashed a filesystem and mounted the logical volumes.

4. Installed NFS server using sudo yum install nfs-utils -y, and ensured the nfs-server.service runs at boot.

5. An NFS server maintains a table of local physical file systems that are accessible to NFS clients. The master export table is kept in a file named /var/lib/nfs/etab and is initialized with the contents of /etc/exports and files under /etc/exports.d/. Below is the contents added to the /etc/exports file and by invoking exportfs -ar, the master export table is initialized.

6. Get the NFS server port with rpcinfo -p | grep nfs, have the port as well as TCP 111, UDP 111, UDP 2049 accessible on the security group attached to the server.

Prepare Database server

1. Spinned up another server, installed MySQL server.
2. Created a database with command create database tooling; and switched to this database use tooling;.
3. Creates a database user webaccess.