Set artifact caching on by default

Author: Priya Wadhwa

cmd/skaffold/app/cmd/flags.go

@@ -84,7 +84,7 @@ var FlagRegistry = []Flag{
 		Name:          "cache-artifacts",
 		Usage:         "Set to true to enable caching of artifacts",
 		Value:         &opts.CacheArtifacts,
-		DefValue:      false,
+		DefValue:      true,
 		FlagAddMethod: "BoolVar",
 		DefinedOn:     []string{"dev", "build", "run", "debug"},
 	},

docs/content/en/docs/references/cli/_index.md

@@ -116,7 +116,7 @@ Examples:
 
 Options:
   -b, --build-image=[]: Choose which artifacts to build. Artifacts with image names that contain the expression will be built only. Default is to build sources for all artifacts
-      --cache-artifacts=false: Set to true to enable caching of artifacts
+      --cache-artifacts=true: Set to true to enable caching of artifacts
       --cache-file='': Specify the location of the cache file (default $HOME/.skaffold/cache)
   -d, --default-repo='': Default repository value (overrides global config)
       --enable-rpc=false: Enable gRPC for exposing Skaffold events (true by default for `skaffold dev`)
@@ -283,7 +283,7 @@ Run a pipeline in debug mode
 
 
 Options:
-      --cache-artifacts=false: Set to true to enable caching of artifacts
+      --cache-artifacts=true: Set to true to enable caching of artifacts
       --cache-file='': Specify the location of the cache file (default $HOME/.skaffold/cache)
       --cleanup=true: Delete deployments after dev or debug mode is interrupted
   -d, --default-repo='': Default repository value (overrides global config)
@@ -413,7 +413,7 @@ Run a pipeline in development mode
 
 
 Options:
-      --cache-artifacts=false: Set to true to enable caching of artifacts
+      --cache-artifacts=true: Set to true to enable caching of artifacts
       --cache-file='': Specify the location of the cache file (default $HOME/.skaffold/cache)
       --cleanup=true: Delete deployments after dev or debug mode is interrupted
   -d, --default-repo='': Default repository value (overrides global config)
@@ -574,7 +574,7 @@ Examples:
   skaffold run -p <profile>
 
 Options:
-      --cache-artifacts=false: Set to true to enable caching of artifacts
+      --cache-artifacts=true: Set to true to enable caching of artifacts
       --cache-file='': Specify the location of the cache file (default $HOME/.skaffold/cache)
       --cleanup=true: Delete deployments after dev or debug mode is interrupted
   -d, --default-repo='': Default repository value (overrides global config)