ditch alpine, use base images

docker-compose-ruby-2.1.yml

@@ -1,4 +1,4 @@
 version: '3'
 services:
   httpx:
-    image: ruby:2.1-alpine
+    image: ruby:2.1

docker-compose-ruby-2.2.yml

@@ -1,4 +1,4 @@
 version: '3'
 services:
   httpx:
-    image: ruby:2.2-alpine
+    image: ruby:2.2

docker-compose-ruby-2.3.yml

@@ -1,7 +1,7 @@
 version: '3'
 services:
   httpx:
-    image: ruby:2.3-alpine
+    image: ruby:2.3
     environment:
       - HTTPBIN_COALESCING_HOST=another
     links:

docker-compose-ruby-2.4.yml

@@ -1,7 +1,7 @@
 version: '3'
 services:
   httpx:
-    image: ruby:2.4-alpine
+    image: ruby:2.4
     environment:
       - HTTPBIN_COALESCING_HOST=another
     links:

docker-compose-ruby-2.5.yml

@@ -1,7 +1,7 @@
 version: '3'
 services:
   httpx:
-    image: ruby:2.5-alpine
+    image: ruby:2.5
     environment:
       - HTTPBIN_COALESCING_HOST=another
     links:

docker-compose-ruby-2.6.yml

@@ -1,7 +1,7 @@
 version: '3'
 services:
   httpx:
-    image: ruby:2.6-alpine
+    image: ruby:2.6
     environment:
       - HTTPBIN_COALESCING_HOST=another
       - HTTPX_RESOLVER_URI=https://doh/dns-query

docker-compose-ruby-2.7.yml

@@ -1,7 +1,7 @@
 version: '3'
 services:
   httpx:
-    image: ruby:2.7-alpine
+    image: ruby:2.7
     environment:
       - HTTPBIN_COALESCING_HOST=another
       - HTTPX_RESOLVER_URI=https://doh/dns-query

docker-compose-ruby-3.0.yml

@@ -1,7 +1,7 @@
 version: '3'
 services:
   httpx:
-    image: ruby:3.0-alpine
+    image: ruby:3.0
     environment:
       - HTTPBIN_COALESCING_HOST=another
       - HTTPX_RESOLVER_URI=https://doh/dns-query