Add gcloud devcontainer feature

features/src/gcloud/README.md

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+# Google Cloud CLI (gcloud)
+
+Installs [Google Cloud CLI](https://cloud.google.com/sdk/gcloud) via the official tarball.
+
+## Usage
+
+```json
+"features": {
+    "ghcr.io/shokkunrf/devcontainer-features/gcloud": {}
+}
+```
+
+## Requirements
+
+- `curl` and `tar` must be available in the container
+- Linux (x86_64 or aarch64)
+- aarch64: Python 3.9-3.14 must be installed (x86_64 bundles Python)
+
+## Using host credentials
+
+To forward your host's gcloud credentials into the container, add the following to `devcontainer.json`:
+
+```json
+"mounts": [
+    "source=${localEnv:HOME}/.config/gcloud,target=/home/vscode/.config/gcloud,type=bind,consistency=cached"
+]
+```
+
+Replace `/home/vscode` with the appropriate home directory for your container user.

features/src/gcloud/devcontainer-feature.json

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+{
+  "id": "gcloud",
+  "version": "1.0.0",
+  "name": "Google Cloud CLI",
+  "documentationURL": "https://github.com/shokkunrf/devcontainer/tree/develop/features/src/gcloud/README.md",
+  "description": "Installs Google Cloud CLI via the official tarball",
+  "options": {},
+  "installsAfter": [
+    "ghcr.io/devcontainers/features/common-utils",
+    "ghcr.io/devcontainers/features/python"
+  ]
+}

features/src/gcloud/install.sh

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+#!/bin/sh
+# References:
+#   - https://cloud.google.com/sdk/docs/install-sdk
+
+set -eu
+
+echo "Activating feature 'gcloud'"
+
+# Determine architecture
+ARCH="$(uname -m)"
+case "$ARCH" in
+    x86_64)  ARCH_SUFFIX="x86_64" ;;
+    aarch64) ARCH_SUFFIX="arm" ;;
+    *)
+        echo "ERROR: Unsupported architecture: $ARCH"
+        exit 1
+        ;;
+esac
+
+INSTALL_DIR="/usr/local"
+TARBALL="google-cloud-cli-linux-${ARCH_SUFFIX}.tar.gz"
+curl -fsSL "https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/${TARBALL}" | tar -xz -C "$INSTALL_DIR"
+
+"${INSTALL_DIR}/google-cloud-sdk/install.sh" --quiet --path-update false --command-completion false
+
+ln -s "${INSTALL_DIR}/google-cloud-sdk/bin/gcloud" /usr/local/bin/gcloud
+
+echo "Google Cloud CLI installed successfully!"

features/test/gcloud/devcontainer-base-debian.sh

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+test.sh

features/test/gcloud/devcontainer-base-ubuntu-remote-user.sh

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+test.sh

features/test/gcloud/devcontainer-base-ubuntu-root.sh

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+test.sh

features/test/gcloud/official-debian.sh

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+test.sh

features/test/gcloud/scenarios.json

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+{
+  "official-debian": {
+    "image": "debian:trixie",
+    "features": {
+      "ghcr.io/devcontainers/features/common-utils:2": {},
+      "gcloud": {}
+    }
+  },
+  "devcontainer-base-debian": {
+    "image": "mcr.microsoft.com/devcontainers/base:debian",
+    "features": {
+      "gcloud": {}
+    },
+    "remoteUser": "vscode"
+  },
+  "devcontainer-base-ubuntu-root": {
+    "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
+    "features": {
+      "gcloud": {}
+    }
+  },
+  "devcontainer-base-ubuntu-remote-user": {
+    "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
+    "features": {
+      "gcloud": {}
+    },
+    "remoteUser": "vscode"
+  }
+}

features/test/gcloud/test.sh

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+#!/bin/bash
+
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+# Definition specific tests
+check "gcloud is installed" gcloud --version
+check "gcloud is upgradable" gcloud components update --quiet
+
+# Report result
+reportResults