Moved off AWS. (#2)

- Instance in Hetzner.
- Data stored in Backblaze B2.

Reviewed-on: #2
Co-authored-by: M. V. Hutz <git@maximhutz.me>
Co-committed-by: M. V. Hutz <git@maximhutz.me>

terraform/network.tf

@@ -1,55 +0,0 @@
-locals {
-  # The IP block for the VPC.
-  vpc_cidr = "10.0.0.0/16"
-}
-
-data "aws_availability_zones" "all" {}
-
-# The main VPC.
-module "vpc" {
-  source = "terraform-aws-modules/vpc/aws"
-
-  name = "Main"
-  cidr = local.vpc_cidr
-
-  azs             = [data.aws_availability_zones.all.names[0]]
-  private_subnets = [cidrsubnet(local.vpc_cidr, 8, 0)]
-  public_subnets  = [cidrsubnet(local.vpc_cidr, 8, 4)]
-
-  private_subnet_tags = { SubnetOf = "Main", SubnetType = "Private" }
-  public_subnet_tags  = { SubnetOf = "Main", SubnetType = "Public" }
-
-  map_public_ip_on_launch = true
-  enable_dns_hostnames    = true
-  enable_dns_support      = true
-
-  private_route_table_tags = { TableOf = "Main", TableType = "Public" }
-}
-
-# Only allow HTTP(s) and SSH traffic. Allow full access to internet.
-resource "aws_security_group" "public_access" {
-  vpc_id = module.vpc.vpc_id
-  tags = { GroupOf = "Main", GroupType = "Public" }
-}
-
-resource "aws_vpc_security_group_ingress_rule" "ingress" {
-  for_each = toset(["80", "443", "22", "2222", "81", "8080", "4321", "1234"])
-
-  security_group_id = aws_security_group.public_access.id
-
-  from_port   = each.value
-  to_port     = each.value
-  ip_protocol = "tcp"
-  cidr_ipv4   = "0.0.0.0/0"
-}
-
-resource "aws_vpc_security_group_egress_rule" "egress" {
-  for_each = toset(["-1"])
-
-  security_group_id = aws_security_group.public_access.id
-
-  from_port   = each.value
-  to_port     = each.value
-  ip_protocol = "-1"
-  cidr_ipv4   = "0.0.0.0/0"
-}