#2337: Docker instance of IDEasy (WIP)

cli/src/main/java/com/devonfw/tools/ide/commandlet/CommandletManagerImpl.java

@@ -131,6 +131,7 @@ public CommandletManagerImpl(IdeContext context) {
     add(new UninstallPluginCommandlet(context));
     add(new UpgradeCommandlet(context));
     add(new TruststoreCommandlet(context));
+    add(new ContainerCommandlet(context));
     add(new Gh(context));
     add(new Helm(context));
     add(new Java(context));

cli/src/main/java/com/devonfw/tools/ide/commandlet/ContainerCommandlet.java

@@ -0,0 +1,198 @@
+package com.devonfw.tools.ide.commandlet;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import com.devonfw.tools.ide.context.IdeContext;
+import com.devonfw.tools.ide.property.BooleanProperty;
+
+/**
+ * {@link Commandlet} to print the environment variables.
+ */
+public class ContainerCommandlet extends Commandlet {
+
+  private static final String IMAGE_NAME = "ideasy-linux";
+
+  private final BooleanProperty rebuild;
+
+  /**
+   * The constructor.
+   *
+   * @param context the {@link IdeContext}.
+   */
+  public ContainerCommandlet(IdeContext context) {
+
+    super(context);
+
+    addKeyword("container");
+
+    this.rebuild = add(new BooleanProperty("--rebuild", false, "-r"));
+  }
+
+  @Override
+  public String getName() {
+
+    return "container";
+  }
+
+  @Override
+  protected void doRun() {
+
+    try {
+
+      verifyDocker();
+      verifySshAgent();
+
+      Path dockerfile = Paths.get("IDEasy", "docker", "Dockerfile").toAbsolutePath();
+      Path buildContext = Paths.get("IDEasy").toAbsolutePath();
+
+      if (Boolean.TRUE.equals(this.rebuild.getValue())) {
+        removeImage();
+      }
+
+      if (!imageExists()) {
+        buildImage(
+            toWslPath(dockerfile),
+            toWslPath(buildContext));
+      }
+      startContainer();
+
+    } catch (Exception e) {
+
+      throw new RuntimeException(e);
+    }
+  }
+
+  private void verifyDocker() throws Exception {
+
+    int exitCode = runAndWaitSilent(
+        "wsl",
+        "docker",
+        "--version");
+
+    if (exitCode != 0) {
+      throw new IllegalStateException("Docker is not available.");
+    }
+  }
+
+  private void verifySshAgent() throws Exception {
+
+    int exitCode = runAndWaitSilent(
+        "C:\\Windows\\System32\\OpenSSH\\ssh-add.exe",
+        "-l");
+
+    if (exitCode != 0) {
+
+      throw new IllegalStateException(
+          "No SSH identity loaded in Windows OpenSSH agent.");
+    }
+  }
+
+  private boolean imageExists() throws Exception {
+
+    return runAndWaitSilent(
+        "wsl",
+        "docker",
+        "image",
+        "inspect",
+        IMAGE_NAME) == 0;
+  }
+
+  private void removeImage() throws Exception {
+
+    runAndWaitSilent(
+        "wsl",
+        "docker",
+        "rmi",
+        "-f",
+        IMAGE_NAME);
+  }
+
+  private void buildImage(String dockerfile, String context) throws Exception {
+
+    int exitCode = runAndWait(
+        "wsl",
+        "docker",
+        "build",
+        "-t",
+        IMAGE_NAME,
+        "-f",
+        dockerfile,
+        context);
+
+    if (exitCode != 0) {
+
+      throw new RuntimeException(
+          "Docker build failed with exit code " + exitCode);
+    }
+  }
+
+  private String getWslHome() throws Exception {
+
+    Process process = new ProcessBuilder(
+        "wsl",
+        "sh",
+        "-c",
+        "printf $HOME")
+        .start();
+
+    return new String(process.getInputStream().readAllBytes()).trim();
+  }
+
+  private void startContainer() throws Exception {
+
+    String wslHome = getWslHome();
+
+    new ProcessBuilder(
+        "cmd",
+        "/c",
+        "start",
+        "wsl",
+        "docker",
+        "run",
+        "--rm",
+        "-it",
+
+        "-e", "DISPLAY",
+        "-e", "WAYLAND_DISPLAY",
+        "-e", "XDG_RUNTIME_DIR",
+        "-e", "PULSE_SERVER",
+
+        "-v", "/tmp/.X11-unix:/tmp/.X11-unix",
+        "-v", "/mnt/wslg:/mnt/wslg",
+
+        "-v", wslHome + "/.ssh:/root/.ssh",
+
+        "-v", "ideasy-data:/projects",
+        "-v", "ideasy-home:/root",
+
+        IMAGE_NAME)
+        .start();
+  }
+
+  private int runAndWait(String... command) throws Exception {
+
+    ProcessBuilder pb = new ProcessBuilder(command);
+
+    pb.inheritIO();
+
+    return pb.start().waitFor();
+  }
+
+  private int runAndWaitSilent(String... command) throws Exception {
+
+    ProcessBuilder pb = new ProcessBuilder(command);
+
+    pb.redirectOutput(ProcessBuilder.Redirect.DISCARD);
+    pb.redirectError(ProcessBuilder.Redirect.DISCARD);
+
+    return pb.start().waitFor();
+  }
+
+  private String toWslPath(Path path) {
+
+    return path.toString()
+        .replace("\\", "/")
+        .replace("C:", "/mnt/c");
+  }
+}

docker/Dockerfile

@@ -0,0 +1,63 @@
+FROM ubuntu:24.04
+ARG IDEASY_VERSION=2026.08.001
+ENV IDE_ROOT=/projects
+RUN apt-get update \
+&& apt-get install -y --no-install-recommends \
+ca-certificates \
+curl \
+git \
+gzip \
+tar \
+bash \
+libfreetype6 \
+fontconfig \
+libx11-6 \
+libxext6 \
+libxrender1 \
+libxtst6 \
+libxi6 \
+libxrandr2 \
+libxinerama1 \
+libxcursor1 \
+libxcomposite1 \
+libxdamage1 \
+openssh-client \
+libgtk-3-0 \
+libglib2.0-0 \
+libatk1.0-0 \
+libatk-bridge2.0-0 \
+libcairo2 \
+libpango-1.0-0 \
+libgdk-pixbuf-2.0-0 \
+libnss3 \
+libgbm1 \
+libasound2t64 \
+&& rm -rf /var/lib/apt/lists/*
+
+# GitHub Copilot CLI
+
+RUN apt-get update \
+&& apt-get install -y nodejs npm \
+&& npm install -g @github/copilot \
+&& rm -rf /var/lib/apt/lists/*
+
+# IDEasy
+
+RUN mkdir -p /opt/ideasy "${IDE_ROOT}" \
+&& curl -fsSL \
+"https://repo1.maven.org/maven2/com/devonfw/tools/IDEasy/ide-cli/${IDEASY_VERSION}/ide-cli-${IDEASY_VERSION}-linux-x64.tar.gz" \
+-o /tmp/ideasy.tar.gz \
+&& tar --extract --gzip --no-same-owner \
+--file /tmp/ideasy.tar.gz \
+--directory /opt/ideasy \
+&& cd /opt/ideasy \
+&& ./bin/ideasy --batch --force install \
+&& rm /tmp/ideasy.tar.gz
+
+ENV PATH="${IDE_ROOT}/_ide/installation/bin:${PATH}"
+
+RUN ideasy --batch create basic-project -
+
+WORKDIR /projects/basic-project
+
+CMD ["bash"]