Add Docker Compose example.

sts-agent/compose.yaml

@@ -0,0 +1,16 @@
+services:
+  sts-agent:
+    image: gcr.io/cloud-ingest/tsop-agent:latest
+    ulimits:
+      memlock: 64000000
+    volumes:
+      - /mnt/ext-storage:/mnt/ext-storage:ro
+      - /etc/sts-agent:/transfer_root/etc/sts-agent:ro
+      - /var/lib/vault-cert/wif:/transfer_root/var/lib/vault-cert/wif:ro
+    environment:
+      GOOGLE_API_CERTIFICATE_CONFIG: /transfer_root/etc/sts-agent/certificate_config.json
+    command:
+      - --project-id=${PROJECT_ID}
+      - --creds-file=/transfer_root/etc/sts-agent/cred.json
+      - --hostname=${HOSTNAME}
+      - --agent-pool=${STS_AGENT_POOL}