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EC2 Configuration

This sets up a Madoc instance running via docker-compose on a single EC2 machine.

Resources

The Terraform scripts will the following resources:

A VPC with a single public subnet. This subnet has an internet gateway and allows traffic to ports 80 + 443 from anywhere. Access to port 22 is restricted to IP addresses specified in egress_whitelist variable (see network.tf).

A single EC2 instance with and Elastic IP address and 3 EBS volumes (see ec2.tf):

  • Boot volume. Default size 30GB, can be controlled via root_size variable.
  • Data volume, mounted as /opt/data. Default size 20GB, can be controlled via ebs_size variable.
  • Backup volume, mounted as /mnt/data. Default size 30GB, can be controlled via ebs_backup_size variable.

The EC2 uses user_data to setup various systemd services for running services and backups (see /files).

Systemd + rsync are used to take database and file snapshots to the backup volume at /mnt/data. There is then a DLM policy setup to take snapshots of the backup volume. Default is to take 1 snapshot per day and keep the last 14 snapshots (see backup.tf).

There is a single DNS A record setup to point to the above Elastic IP (see dns.tf).

Usage

Generate a keypair and replace /infrastructure/files/key.pub with the new file.

Search for "EXAMPLE_NAME" to find variables that need replaced.

Modify variable values to suit.

For more information see readme