update action to dagger 0.2

- Remove AGE key setup
- Update README to use `dagger do`
- Update tests to dagger 0.2

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

test/cue.mod/pkg/universe.dagger.io/docker/run.cue

@@ -0,0 +1,166 @@
+package docker
+
+import (
+	"list"
+
+	"dagger.io/dagger"
+)
+
+// Run a command in a container
+#Run: {
+	// Docker image to execute
+	input: #Image
+
+	always: bool | *false
+
+	// Filesystem mounts
+	mounts: [name=string]: dagger.#Mount
+
+	// Expose network ports
+	// FIXME: investigate feasibility
+	ports: [name=string]: {
+		frontend: dagger.#Service
+		backend: {
+			protocol: *"tcp" | "udp"
+			address:  string
+		}
+	}
+
+	// Command to execute
+	command?: {
+		// Name of the command to execute
+		// Examples: "ls", "/bin/bash"
+		name: string
+
+		// Positional arguments to the command
+		// Examples: ["/tmp"]
+		args: [...string]
+
+		// Command-line flags represented in a civilized form
+		// Example: {"-l": true, "-c": "echo hello world"}
+		flags: [string]: (string | true)
+
+		_flatFlags: list.FlattenN([
+				for k, v in flags {
+				if (v & bool) != _|_ {
+					[k]
+				}
+				if (v & string) != _|_ {
+					[k, v]
+				}
+			},
+		], 1)
+	}
+
+	// Environment variables
+	// Example: {"DEBUG": "1"}
+	env: [string]: string | dagger.#Secret
+
+	// Working directory for the command
+	// Example: "/src"
+	workdir: string
+
+	// Username or UID to ad
+	// User identity for this command
+	// Examples: "root", "0", "1002"
+	user: string
+
+	// Output fields
+	{
+		// Has the command completed?
+		completed: bool & (_exec.exit != _|_)
+
+		// Was completion successful?
+		success: bool & (_exec.exit == 0)
+
+		// Details on error, if any
+		error: {
+			// Error code
+			code: _exec.exit
+
+			// Error message
+			message: string | *null
+		}
+
+		export: {
+			rootfs: dagger.#FS & _exec.output
+			files: [path=string]: string
+			_files: {
+				for path, _ in files {
+					"\(path)": {
+						contents: string & _read.contents
+						_read:    dagger.#ReadFile & {
+							input:  _exec.output
+							"path": path
+						}
+					}
+				}
+			}
+			for path, output in _files {
+				files: "\(path)": output.contents
+			}
+
+			directories: [path=string]: dagger.#FS
+			_directories: {
+				for path, _ in directories {
+					"\(path)": {
+						contents: dagger.#FS & _subdir.output
+						_subdir:  dagger.#Subdir & {
+							input:  _exec.output
+							"path": path
+						}
+					}
+				}
+			}
+			for path, output in _directories {
+				directories: "\(path)": output.contents
+			}
+		}
+	}
+
+	// For compatibility with #Build
+	output: #Image & {
+		rootfs: _exec.output
+		config: input.config
+	}
+
+	// Actually execute the command
+	_exec: dagger.#Exec & {
+		"input":  input.rootfs
+		"always": always
+		"mounts": mounts
+
+		if command != _|_ {
+			args: [command.name] + command._flatFlags + command.args
+		}
+		if command == _|_ {
+			args: list.Concat([
+				if input.config.entrypoint != _|_ {
+					input.config.entrypoint
+				},
+				if input.config.cmd != _|_ {
+					input.config.cmd
+				},
+			])
+		}
+		"env": env
+		if input.config.env != _|_ {
+			for key, val in input.config.env {
+				if env[key] == _|_ {
+					env: "\(key)": val
+				}
+			}
+		}
+		"workdir": workdir
+		if workdir == _|_ && input.config.workdir != _|_ {
+			workdir: input.config.workdir
+		}
+		"user": user
+		if user == _|_ && input.config.user != _|_ {
+			user: input.config.user
+		}
+	}
+
+	// Command exit code
+	exit: _exec.exit
+}