feat: add Images and Disk Usage tabs to docker dashboard

- Images tab: list, inspect and delete docker images, with a
  force-delete fallback when an image is in use.
- Disk Usage tab: docker system df summary as stat cards plus a
  Build Cache table (docker system df -v) with a prune action.

packages/server/src/services/docker-image.ts

@@ -0,0 +1,68 @@
+import {
+	execAsync,
+	execAsyncRemote,
+} from "@dokploy/server/utils/process/execAsync";
+import { quote } from "shell-quote";
+
+export interface DockerImage {
+	Repository: string;
+	Tag: string;
+	ID: string;
+	Digest?: string;
+	CreatedAt: string;
+	CreatedSince: string;
+	Size: string;
+	SharedSize?: string;
+	UniqueSize?: string;
+	VirtualSize?: string;
+}
+
+export const getImages = async (serverId?: string) => {
+	try {
+		const command = "docker images --format '{{json .}}'";
+		const { stdout } = serverId
+			? await execAsyncRemote(serverId, command)
+			: await execAsync(command);
+
+		return stdout
+			.trim()
+			.split("\n")
+			.filter(Boolean)
+			.map((line) => JSON.parse(line) as DockerImage);
+	} catch (error) {
+		console.error(error);
+		return [];
+	}
+};
+
+export const getImageConfig = async (imageRef: string, serverId?: string) => {
+	const command = `docker image inspect ${quote([String(imageRef ?? "")])}`;
+	const { stdout } = serverId
+		? await execAsyncRemote(serverId, command)
+		: await execAsync(command);
+
+	return JSON.parse(stdout.trim())[0];
+};
+
+interface RemoveImageParams {
+	repository: string;
+	tag: string;
+	id: string;
+	force?: boolean;
+}
+
+export const removeImage = async (
+	{ repository, tag, id, force }: RemoveImageParams,
+	serverId?: string,
+) => {
+	const hasTaggedReference =
+		repository && tag && repository !== "<none>" && tag !== "<none>";
+	const reference = hasTaggedReference ? `${repository}:${tag}` : id;
+	const command = `docker rmi ${force ? "-f " : ""}${quote([String(reference ?? "")])}`;
+
+	if (serverId) {
+		await execAsyncRemote(serverId, command);
+	} else {
+		await execAsync(command);
+	}
+};