updated workflows

Signed-off-by: Mark Bolwell <mark.bollyuk@gmail.com>

.github/workflows/github_networks.tf

@@ -1,11 +1,51 @@
 resource "aws_vpc" "Main" {
-  cidr_block = var.main_vpc_cidr
-  tags       = var.instance_tags
+  cidr_block       = var.main_vpc_cidr
+  instance_tenancy = "default"
+  tags = {
+    Environment = "${var.environment}"
+    Name        = "${var.namespace}-VPC"
+  }
 }
 
 resource "aws_internet_gateway" "IGW" {
   vpc_id = aws_vpc.Main.id
   tags = {
-    Name = "${var.namespace}-IGW"
+    Environment = "${var.environment}"
+    Name        = "${var.namespace}-IGW"
   }
 }
+
+resource "aws_subnet" "publicsubnets" {
+  vpc_id     = aws_vpc.Main.id
+  cidr_block = var.public_subnets
+  tags = {
+    Environment = "${var.environment}"
+    Name        = "${var.namespace}-pubsub"
+  }
+}
+
+resource "aws_subnet" "Main" {
+  vpc_id     = aws_vpc.Main.id
+  cidr_block = var.private_subnets
+  tags = {
+    Environment = "${var.environment}"
+    Name        = "${var.namespace}-prvsub"
+  }
+}
+
+resource "aws_route_table" "PublicRT" {
+  vpc_id = aws_vpc.Main.id
+  route {
+    cidr_block = "0.0.0.0/0"
+    gateway_id = aws_internet_gateway.IGW.id
+  }
+  tags = {
+    Environment = "${var.environment}"
+    Name        = "${var.namespace}-publicRT"
+  }
+}
+
+resource "aws_route_table_association" "rt_associate_public" {
+  subnet_id      = aws_subnet.Main.id
+  route_table_id = aws_route_table.PublicRT.id
+}