GitFOSS

@@ -125,7 +125,7 @@ module Docker::Api::Containers
       "Cmd": command,
       "Env": {
         "FOO": "foo",
-      } of String => String, # make it configurable
+      }, # make it configurable
     }
 
     exec_res = post "/containers/#{id}/exec", body: props.to_jsonbody

@@ -157,7 +157,7 @@ module Docker::Api::Containers
       param.add "path", path
     end
     response = get "/containers/#{id}/archive?#{params}"
-    Bytes.new(response.body)
+    response.body.to_slice
   end
 
   # Send an archive to a container

@@ -168,7 +168,7 @@ module Docker::Api::Containers
     params = HTTP::Params.build do |param|
       param.add "path", path
     end
-    body = Bytes.new(archive).to_slice
+    body = archive.to_slice
     response = put "/containers/#{id}/archive?#{params}", headers, body
     response.body
   end

@@ -135,7 +135,7 @@ module Docker::Api::Models
       # @[JSON::Field(key: "KernelMemory")]
       # getter kernel_memory : Int32
       @[JSON::Field(key: "OomKillDisable")]
-      getter oom_kill_disable : Bool
+      getter oom_kill_disable : Bool?
       @[JSON::Field(key: "OomScoreAdj")]
       getter joom_score_adj : Int32
       @[JSON::Field(key: "NetworkMode")]

@@ -56,7 +56,7 @@ class Docker::Container
   end
 
   # Run command inside the container.
-  def exec(command: Array(String))
+  def exec(command : Array(String))
     client.exec id, command
     self
   end