Add linux/amd64 platform for tianon/true service (#1694)

Updated all services using tianon/true image to define platform
setting to be "linux/amd64", so "elastic-package stack up" command
works in Mac too.

Author: mrodm

internal/stack/_static/docker-compose-stack.yml.tmpl

@@ -1,7 +1,7 @@
 {{ $username := fact "username" }}
 {{ $password := fact "password" }}
 {{ $apm_enabled := fact "apm_enabled" }}
-version: '2.3'
+version: '2.4'
 services:
   elasticsearch:
     image: "${ELASTICSEARCH_IMAGE_REF}"
@@ -22,6 +22,7 @@ services:
 
   elasticsearch_is_ready:
     image: tianon/true
+    platform: linux/amd64
     depends_on:
       elasticsearch:
         condition: service_healthy
@@ -51,6 +52,7 @@ services:
 
   kibana_is_ready:
     image: tianon/true
+    platform: linux/amd64
     depends_on:
       kibana:
         condition: service_healthy
@@ -83,6 +85,7 @@ services:
 
   package-registry_is_ready:
     image: tianon/true
+    platform: linux/amd64
     depends_on:
       package-registry:
         condition: service_healthy
@@ -123,6 +126,7 @@ services:
 
   fleet-server_is_ready:
     image: tianon/true
+    platform: linux/amd64
     depends_on:
       fleet-server:
         condition: service_healthy
@@ -152,6 +156,7 @@ services:
 
   elastic-agent_is_ready:
     image: tianon/true
+    platform: linux/amd64
     depends_on:
       elastic-agent:
         condition: service_healthy
@@ -185,6 +190,7 @@ services:
 
   logstash_is_ready:
     image: tianon/true
+    platform: linux/amd64
     depends_on:
       logstash:
         condition: service_healthy

internal/stack/_static/serverless-docker-compose.yml.tmpl

@@ -1,4 +1,4 @@
-version: '2.3'
+version: '2.4'
 services:
   elastic-agent:
     image: "{{ fact "agent_image" }}"
@@ -22,6 +22,7 @@ services:
 
   elastic-agent_is_ready:
     image: tianon/true
+    platform: linux/amd64
     depends_on:
       elastic-agent:
         condition: service_healthy
@@ -52,6 +53,7 @@ services:
 
   logstash_is_ready:
     image: tianon/true
+    platform: linux/amd64
     depends_on:
       logstash:
         condition: service_healthy

test/packages/parallel/sql_input/_dev/deploy/docker/docker-compose.yml

@@ -1,4 +1,4 @@
-version: '2.3'
+version: '2.4'
 services:
   sql_input:
     build: .
@@ -9,6 +9,7 @@ services:
       - mysqldata:/var/lib/mysql
   sql_input_is_ready:
     image: tianon/true
+    platform: linux/amd64
     depends_on:
       sql_input:
         condition: service_healthy