[pr3] delete docker-enable-wasm script + make install-containerd-wasm script

Signed-off-by: danbugs <danilochiarlone@gmail.com>

Author: danbugs

chapter07/hello-wasm-container/docker-enable-wasm.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+
+set -e
+
+echo "[LOG] Starting containerd and Wasm setup..."
+
+# Step 1: Install containerd
+echo "[LOG] Installing containerd..."
+
+CONTAINERD_VERSION="2.0.0"
+ARCH=$(uname -m)
+
+case "$ARCH" in
+    x86_64)
+        CONTAINERD_ARCH="amd64"
+        SHIM_ARCH="x86_64"
+        ;;
+    aarch64|arm64)
+        CONTAINERD_ARCH="arm64"
+        SHIM_ARCH="aarch64"
+        ;;
+    *)
+        echo "[ERROR] Unsupported architecture: $ARCH"
+        exit 1
+        ;;
+esac
+
+echo "[LOG] Detected architecture: $ARCH"
+
+# Download and install containerd
+echo "[LOG] Downloading containerd ${CONTAINERD_VERSION}..."
+curl -LO "https://github.com/containerd/containerd/releases/download/v${CONTAINERD_VERSION}/containerd-${CONTAINERD_VERSION}-linux-${CONTAINERD_ARCH}.tar.gz"
+
+echo "[LOG] Extracting containerd to /usr/local..."
+sudo tar Cxzvf /usr/local "containerd-${CONTAINERD_VERSION}-linux-${CONTAINERD_ARCH}.tar.gz"
+
+# Download and install containerd systemd service
+echo "[LOG] Installing containerd systemd service..."
+sudo mkdir -p /usr/local/lib/systemd/system
+sudo curl -L "https://raw.githubusercontent.com/containerd/containerd/main/containerd.service" \
+    -o /usr/local/lib/systemd/system/containerd.service
+
+# Reload systemd and enable containerd
+echo "[LOG] Enabling and starting containerd service..."
+sudo systemctl daemon-reload
+sudo systemctl enable containerd
+sudo systemctl start containerd
+
+# Step 2: Install Wasmtime shim
+echo "[LOG] Installing Wasmtime containerd shim..."
+
+SHIM_VERSION="v0.5.0"
+SHIM_BASE_URL="https://github.com/containerd/runwasi/releases/download/containerd-shim-wasmtime%2F${SHIM_VERSION}"
+SHIM_FILENAME="containerd-shim-wasmtime-${SHIM_ARCH}-linux-musl.tar.gz"
+
+echo "[LOG] Downloading $SHIM_FILENAME..."
+curl -LO "$SHIM_BASE_URL/$SHIM_FILENAME"
+
+echo "[LOG] Extracting $SHIM_FILENAME..."
+tar -xzf "$SHIM_FILENAME"
+
+echo "[LOG] Installing containerd-shim-wasmtime-v1 to /usr/local/bin..."
+chmod +x containerd-shim-wasmtime-v1
+sudo install containerd-shim-wasmtime-v1 /usr/local/bin/
+
+# Step 3: Cleanup
+echo "[LOG] Cleaning up downloaded files..."
+rm -rf containerd-* 
+
+# Step 4: Verify installation
+echo "[LOG] Verifying installation..."
+sudo systemctl status containerd --no-pager
+which containerd-shim-wasmtime-v1
+
+echo "[LOG] Setup complete! Containerd and Wasmtime shim are installed and running."