wordpress-terraform/pub_subnet.tf at master · olufuwatayo/wordpress-terraform · GitHub

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resource "aws_subnet" "public1" {
  vpc_id                  = "${aws_vpc.vpc.id}"
  cidr_block              = var.public_subnet1_cidr
  availability_zone       = "${var.region}a"
  map_public_ip_on_launch = true
  tags = {
    Name = "${var.region}a"
  }
}

resource "aws_subnet" "public2" {
  vpc_id                  = "${aws_vpc.vpc.id}"
  cidr_block              = var.public_subnet2_cidr
  map_public_ip_on_launch = true
  availability_zone       = "${var.region}b"

  tags = {
    Name = "Public ${var.region}b"
  }
}

/* Internet gateway for the public subnet */
resource "aws_internet_gateway" "ig" {
  vpc_id = "${aws_vpc.vpc.id}"
  tags = {
    Name        = "${var.environment}-igw"
    Environment = "${var.environment}"
  }
}


resource "aws_route_table" "public" {
  vpc_id = "${aws_vpc.vpc.id}"
  tags = {
    Name        = "${var.environment}-public-route-table"
    Environment = "${var.environment}"
  }
}
resource "aws_route" "public_internet_gateway" {
  route_table_id         = aws_route_table.public.id
  destination_cidr_block = "0.0.0.0/0"
  gateway_id             = aws_internet_gateway.ig.id
}

/* Route table associations */
resource "aws_route_table_association" "public1" {
  subnet_id      = aws_subnet.public1.id
  route_table_id = aws_route_table.public.id
}
resource "aws_route_table_association" "public2" {
  subnet_id      = "${aws_subnet.public2.id}"
  route_table_id = "${aws_route_table.public.id}"
}