Expose fewer ports

docker-compose.yml

@@ -16,7 +16,6 @@
 version: '3.4'
 services:
   mysql:
-    platform: linux/amd64
     image: gcr.io/trillian-opensource-ci/db_server:v1.4.0
     environment:
       - MYSQL_ROOT_PASSWORD=zaphod
@@ -38,8 +37,8 @@ services:
       "--appendonly",
       "yes"
     ]
-    ports:
-      - "6379:6379"
+    expose:
+      - "6379"
     restart: always # keep the redis server running
     healthcheck:
       test: ["CMD", "redis-cli", "ping"]
@@ -57,9 +56,9 @@ services:
       "--alsologtostderr",
     ]
     restart: always # retry while mysql is starting up
-    ports:
-      - "8090:8090"
-      - "8091:8091"
+    expose:
+      - 8090
+      - 8091
     depends_on:
       - mysql
   trillian-log-signer:
@@ -73,8 +72,6 @@ services:
       "--alsologtostderr",
     ]
     restart: always # retry while mysql is starting up
-    ports:
-      - "8092:8091"
     depends_on:
       - mysql
   rekor-server:
@@ -100,7 +97,6 @@ services:
     restart: always # keep the server running
     ports:
       - "3000:3000"
-      - "2112:2112"
     depends_on:
       - mysql
       - redis-server