add terraform scripts

terraform/README.md

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+# Terraform Deployment
+
+## Init and Plan the Terraform Deployment
+```
+terraform init
+
+terraform plan \
+  -var="version=1.2.3" \
+  -var="environment=prod" \
+  -var="http_method=https" \
+  -var="public_url=mydomain.com" \
+  -var="default_language=de"
+```
+
+## Apply the Terrform Deployment
+
+```
+terraform apply \
+  -var="version=1.2.3" \
+  -var="environment=prod" \
+  -var="http_method=https" \
+  -var="public_url=mydomain.com" \
+  -var="default_language=de"
+```

terraform/main.tf

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+resource "aws_instance" "docker_host" {
+  ami           = "ami-0c55b159cbfafe1f0"
+  instance_type = "t3.micro"
+  key_name = aws_key_pair.deployer.key_name
+
+  provisioner "file" {
+    source      = "../install_docker.sh"
+    destination = "/home/ubuntu/install_docker.sh"
+
+    connection {
+      type        = "ssh"
+      user        = "ubuntu"
+      private_key = file(var.private_key_path)
+      host        = self.public_ip
+    }
+  }
+
+  provisioner "file" {
+    source      = "../setup.sh"
+    destination = "/home/ubuntu/setup.sh"
+
+    connection {
+      type        = "ssh"
+      user        = "ubuntu"
+      private_key = file(var.private_key_path)
+      host        = self.public_ip
+    }
+  }
+
+  provisioner "remote-exec" {
+    inline = [
+      "chmod +x /home/ubuntu/install_docker.sh",
+      "sudo /home/ubuntu/install_docker.sh",
+      "chmod +x /home/ubuntu/setup.sh",
+      "sed -i '/^\s*read\b/ s/^/#/' /home/ubuntu/setup.sh",
+      "sudo VERSION=${var.version} ENVIRONMENT=${var.environment} HTTP_METHOD=${var.http_method} PUBLIC_URL=${var.public_url} default_language=${var.default_language} DOCKER_VOLUME_OWNER=${var.docker_volume_owner} /home/ubuntu/setup.sh"
+    ]
+
+    connection {
+      type        = "ssh"
+      user        = "ubuntu"
+      private_key = file(var.private_key_path)
+      host        = self.public_ip
+    }
+  }
+}

terraform/variables.tf

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+variable "version" {
+  default = "latest"
+}
+
+variable "environment" {
+  default = "prod"
+}
+
+variable "http_method" {
+  default = "http"
+}
+
+variable "public_url" {
+  default = "dev.domain.de"
+}
+
+variable "default_language" {
+  default = "en"
+}
+
+variable "docker_volume_owner" {
+  default = "nobody"
+}