Add support for dockerArgs.

Fix cmd property merging.

README.md

@@ -105,6 +105,11 @@ remove: <true | false (default)>
 # Network name to connect container to (docker --network flag)
 network: <string | "host" (default)>
 
+# Individual arguments that will be passed to docker cli as is.
+dockerArgs:
+  - <string>
+  ...
+
 # Optional Dockerfile to build and run
 build:
   # Dockerfile to build

src/internal/context.go

@@ -26,6 +26,7 @@ type Context struct {
 	EntryPoint string `yaml:"entrypoint,omitempty"`
 	Cmd        []string
 	Network    string
+	DockerArgs []string `yaml:"dockerArgs,omitempty"`
 }
 
 // Clone returns a deep-copy of this context
@@ -89,6 +90,8 @@ func (c Context) Merge(source Context, withVariations bool) Context {
 	if source.Network != "" {
 		merged.Network = source.Network
 	}
+	merged.Cmd = append(merged.Cmd, source.Cmd...)
+	merged.DockerArgs = append(merged.DockerArgs, source.DockerArgs...)
 	return merged
 }
 

src/internal/docker/cli.go

@@ -199,6 +199,11 @@ func runContainer(ctx context.Context, yeyCtx yey.Context, containerName string,
 		args = append(args, "--entrypoint", yeyCtx.EntryPoint)
 	}
 
+	// DockerArgs
+	if len(yeyCtx.DockerArgs) > 0 {
+		args = append(args, yeyCtx.DockerArgs...)
+	}
+
 	args = append(args, yeyCtx.Image)
 	args = append(args, yeyCtx.Cmd...)