Switch postgres image to an alpine based one

Vidas P · Vidas P · commit 14e46512372c · 2020-03-30T13:47:17.000+03:00
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -5,7 +5,7 @@ volumes:
 
 services:
   postgres:
-    image: postgres:9.5
+    image: postgres:9.5-alpine
     volumes:
       - postgresdata:/var/lib/postgresql/data
     environment:
diff --git a/docker/test/docker-compose.yml b/docker/test/docker-compose.yml
@@ -5,7 +5,7 @@ volumes:
 
 services:
   postgres:
-    image: postgres:9.5
+    image: postgres:9.5-alpine
     volumes:
       - postgresdata:/var/lib/postgresql/data
     environment:
