add oracle oci-vm template

registry/anis/templates/oci-vm/README.md

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+---
+display_name: Oracle Cloud VM (Linux)
+description: Provision Oracle Cloud Infrastructure (OCI) instances as Coder workspaces
+icon: ../../../../.icons/oracle.svg
+verified: false
+tags: [vm, linux, oracle, oci]
+---
+
+# Remote Development on Oracle Cloud Infrastructure (OCI)
+
+Provision OCI virtual machines as [Coder workspaces](https://coder.com/docs/workspaces) using this Terraform template.
+
+## Prerequisites
+
+To deploy Coder workspaces on Oracle Cloud, you’ll need the following:
+
+### OCI Resources
+
+Before deploying, ensure your Oracle Cloud tenancy has:
+
+- A **VCN (Virtual Cloud Network)** already created
+- At least one **subnet** within that VCN (can be public or private)
+- An **Internet Gateway** attached to the VCN
+- A **Route Table** that routes `0.0.0.0/0` traffic to the Internet Gateway
+
+> [!NOTE]
+> This template **does not create networking resources** (VCN, subnet, gateway, etc.).  
+> You must reference an existing subnet using its **OCID** via the `subnet_id` variable.
+
+### OCI Authentication
+
+You’ll also need the following credentials:
+
+- **Tenancy OCID**
+- **User OCID**
+- **Fingerprint**
+- **Private Key**
+- **Compartment OCID**(Optional) default to Tenancy OCID if not defined
+- **Subnet OCID**
+
+[OCI Documentation](https://docs.oracle.com/en-us/iaas/Content/dev/terraform/configuring.htm#api-key-auth)
+
+---
+
+## Example `.tfvars` File
+
+```hcl
+tenancy_ocid     = "ocid1.tenancy.oc1..xxxx"
+user_ocid        = "ocid1.user.oc1..xxxx"
+fingerprint      = "aa:bb:cc:dd:ee:ff"
+subnet_id        = "ocid1.subnet.oc1.eu-marseille-1.aaaaaaaaxxx"
+region           = "eu-marseille-1"
+private_key = <<EOT
+-----BEGIN PRIVATE KEY-----
+MIIEvQIBADANBgkqhkiG9w0BAQEFAASC...
+-----END PRIVATE KEY-----
+EOT
+```

registry/anis/templates/oci-vm/cloud-init/cloud-config.yaml.tftpl

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+#cloud-config
+hostname: ${hostname}
+users:
+  - name: ${username}
+    sudo: ["ALL=(ALL) NOPASSWD:ALL"]
+    groups: sudo
+    shell: /bin/bash
+packages:
+  - git
+  - curl
+  - wget
+  - unzip
+disk_setup:
+  /dev/sdb:
+    table_type: 'gpt'
+    layout: true
+    overwrite: false
+fs_setup:
+  - label: ${home_volume_label}
+    filesystem: ext4
+    device: /dev/sdb
+    partition: auto
+mounts:
+  - ["/dev/sdb", "/home/${username}", "ext4", "defaults", "0", "2"]
+write_files:
+  - path: /opt/coder/init
+    permissions: "0755"
+    encoding: b64
+    content: ${init_script}
+  - path: /etc/systemd/system/coder-agent.service
+    permissions: "0644"
+    content: |
+      [Unit]
+      Description=Coder Agent
+      After=network-online.target
+      Wants=network-online.target
+
+      [Service]
+      User=${username}
+      ExecStart=/opt/coder/init
+      Environment=CODER_AGENT_TOKEN=${coder_agent_token}
+      Restart=always
+      RestartSec=10
+      TimeoutStopSec=90
+      KillMode=process
+
+      OOMScoreAdjust=-1000
+      SyslogIdentifier=coder-agent
+
+      [Install]
+      WantedBy=multi-user.target
+runcmd:
+  - mkdir -p /home/${username}
+  - chown ${username}:${username} /home/${username}
+  - systemctl enable coder-agent
+  - systemctl start coder-agent