Replace pinned Jaeger verison with a parameter/default=latest

Signed-off-by: Yuri Shkuro <github@ysh.us>

plugin/storage/scylladb/docker-compose.yml

@@ -1,10 +1,16 @@
+# docker compose file to test Scylla with Jaeger.
+
+# Disclaimer: This defaults to using 'latest' image tag for Jaeger images,
+# which can be stale in your local repository. In case of issues try running
+# against the actual Jaeger version like JAEGER_VERSION=1.59.0.
+
 networks:
   jaeger-scylladb:
 
 services:
   collector:
     restart: unless-stopped
-    image: jaegertracing/jaeger-collector:1.58
+    image: jaegertracing/jaeger-collector:${JAEGER_VERSION:-latest}
     environment:
       SPAN_STORAGE_TYPE: cassandra
       CASSANDRA_SERVERS: scylladb
@@ -15,7 +21,7 @@ services:
       - cassandra-schema
 
   web:
-    image: jaegertracing/jaeger-query:1.58
+    image: jaegertracing/jaeger-query:${JAEGER_VERSION:-latest}
     restart: unless-stopped
     ports:
       - 16686:16686
@@ -30,7 +36,7 @@ services:
       - cassandra-schema
 
   cassandra-schema:
-    image: jaegertracing/jaeger-cassandra-schema:1.58
+    image: jaegertracing/jaeger-cassandra-schema:${JAEGER_VERSION:-latest}
     environment:
       CASSANDRA_PROTOCOL_VERSION: 4
       CASSANDRA_VERSION: 4
@@ -77,7 +83,7 @@ services:
       - jaeger-scylladb
 
   hotrod:
-    image: jaegertracing/example-hotrod:1.59
+    image: jaegertracing/example-hotrod:${JAEGER_VERSION:-latest}
     ports:
       - 8080:8080
     command: [ "all" ]