fix(deploy): remove private source checkout from customer installer

config/e-server.production.yaml

@@ -0,0 +1,35 @@
+service:
+  name: overcooked-e
+  instance_id: customer-e
+  environment: production
+emby:
+  server_name: OverCooked
+  server_id: 10000000-0000-4000-8000-000000000001
+  compatibility_version: 4.8.0.80
+control_plane:
+  base_url: https://s-control.invalid
+  key_id: customer-s
+  shared_secret: replace-by-environment
+  timeout: 10s
+server:
+  address: 0.0.0.0:8096
+database:
+  url: postgres://product_e:replace-by-environment@postgres:5432/product_e?sslmode=disable
+valkey:
+  address: valkey:6379
+observability:
+  log_level: info
+  trace_sample_ratio: 0.05
+playback:
+  node_id: 10000000-0000-4000-8000-000000000001
+plugins:
+  enabled: true
+  root: /data/plugins
+  sdk_socket: unix:///data/plugins/runtime/core.sock
+  core_version: 0.1.0
+  unsigned_policy: require-signature
+  trusted_publishers: {}
+  secret_key_id: customer-plugin
+  previous_secret_keys: {}
+  network_allowed_domains: []
+  network_allowed_cidrs: []