convert tempo to stack

tempo.compose.yaml

@@ -0,0 +1,23 @@
+# https://github.com/grafana/tempo/blob/main/example/docker-compose/shared/tempo.yaml
+services:
+
+  # Tempo runs as user 10001, and docker compose creates the volume as root.
+  # As such, we need to chown the volume in order for Tempo to start correctly.
+  init:
+    image: &tempoImage grafana/tempo:latest
+    user: root
+    entrypoint:
+      - "chown"
+      - "10001:10001"
+      - "/var/tempo"
+    volumes:
+      - tempo-data:/var/tempo
+
+  tempo:
+    image: *tempoImage
+    command: [ "-server.http-listen-port=3200 --storage.trace.backend=local --storage.trace.local.path=/var/tempo/blocks --storage.trace.wal.path=/var/tempo/wal" ]
+    volumes:
+      - tempo-data:/var/tempo
+    network_mode: host # so all the other containers can send to it easily
+    depends_on:
+      - init