feat: 修改 devcontainer，修改文档

.devcontainer/Dockerfile

@@ -4,6 +4,19 @@
 ARG VARIANT="buster"
 FROM mcr.microsoft.com/vscode/devcontainers/rust:0-${VARIANT}
 
-# [Optional] Uncomment this section to install additional packages.
-RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-    && apt-get -y install --no-install-recommends libx11-dev libxrandr-dev libx11-xcb-dev
+# Setup environment variables
+ENV DEBIAN_FRONTEND=noninteractive \
+    DISPLAY=":1" \
+    VNC_PORT="5900" \
+    NOVNC_PORT="6080" \
+    DISPLAY_WIDTH="1280" \
+    DISPLAY_HEIGHT="720"
+
+COPY build.sh /tmp/build.sh
+COPY docker-init.sh /usr/local/share/docker-init.sh
+
+RUN bash /tmp/build.sh && \
+    rm /tmp/build.sh && \
+    chmod +x /usr/local/share/docker-init.sh
+
+ENTRYPOINT [ "/usr/local/share/docker-init.sh" ]

.devcontainer/build.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+export DEBIAN_FRONTEND=noninteractive
+
+# Install noVNC X11 packages
+apt-get update
+apt-get -y install --no-install-recommends \
+    fluxbox \
+    xvfb \
+    x11vnc \
+    novnc \
+    libxcb1-dev \
+    libxrandr-dev
+
+# Configure noVNC
+cp /usr/share/novnc/vnc.html /usr/share/novnc/index.html
+
+# Clean
+apt-get clean
+rm -rf /var/lib/apt/lists/*

.devcontainer/devcontainer.json

@@ -1,52 +1,49 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
 // https://github.com/microsoft/vscode-dev-containers/tree/v0.241.1/containers/rust
 {
-	"name": "Rust",
-	"build": {
-		"dockerfile": "Dockerfile",
-		"args": {
-			// Use the VARIANT arg to pick a Debian OS version: buster, bullseye
-			// Use bullseye when on local on arm64/Apple Silicon.
-			"VARIANT": "buster"
-		}
-	},
-	"runArgs": [
-		"--cap-add=SYS_PTRACE",
-		"--security-opt",
-		"seccomp=unconfined"
-	],
+  "name": "Rust",
+  "build": {
+    "dockerfile": "Dockerfile",
+    "args": {
+      // Use the VARIANT arg to pick a Debian OS version: buster, bullseye
+      // Use bullseye when on local on arm64/Apple Silicon.
+      "VARIANT": "buster"
+    }
+  },
+  "overrideCommand": false,
+  "runArgs": ["--init", "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined"],
 
-	// Configure tool-specific properties.
-	"customizations": {
-		// Configure properties specific to VS Code.
-		"vscode": {
-			// Set *default* container specific settings.json values on container create.
-			"settings": { 
-				"lldb.executable": "/usr/bin/lldb",
-				// VS Code don't watch files under ./target
-				"files.watcherExclude": {
-					"**/target/**": true
-				},
-				"rust-analyzer.checkOnSave.command": "clippy"
-			},
-
-			// Add the IDs of extensions you want installed when the container is created.
-			"extensions": [
-				"vadimcn.vscode-lldb",
-				"mutantdino.resourcemonitor",
-				"rust-lang.rust-analyzer",
-				"tamasfe.even-better-toml",
-				"serayuzgur.crates"
-			]
-		}
-	},
+  // Configure tool-specific properties.
+  "customizations": {
+    // Configure properties specific to VS Code.
+    "vscode": {
+      // Set *default* container specific settings.json values on container create.
+      "settings": {
+        "lldb.executable": "/usr/bin/lldb",
+        // VS Code don't watch files under ./target
+        "files.watcherExclude": {
+          "**/target/**": true
+        },
+        "rust-analyzer.checkOnSave.command": "clippy"
+      },
 
-	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// "forwardPorts": [],
+      // Add the IDs of extensions you want installed when the container is created.
+      "extensions": [
+        "vadimcn.vscode-lldb",
+        "mutantdino.resourcemonitor",
+        "rust-lang.rust-analyzer",
+        "tamasfe.even-better-toml",
+        "serayuzgur.crates"
+      ]
+    }
+  },
 
-	// Use 'postCreateCommand' to run commands after the container is created.
-	// "postCreateCommand": "rustc --version",
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  "forwardPorts": [6080],
 
-	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
-	"remoteUser": "vscode"
+  // Use 'postCreateCommand' to run commands after the container is created.
+  // "postCreateCommand": "rustc --version",
+
+  // Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+  "remoteUser": "vscode"
 }

.devcontainer/docker-init.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+DISPLAY="${DISPLAY:-:1}"
+VNC_PORT="${VNC_PORT:-5900}"
+NOVNC_PORT="${NOVNC_PORT:-6080}"
+DISPLAY_WIDTH="${DISPLAY_WIDTH:-1280}"
+DISPLAY_HEIGHT="${DISPLAY_HEIGHT:-720}"
+
+fluxbox &
+Xvfb ${DISPLAY} -screen 0 ${DISPLAY_WIDTH}x${DISPLAY_HEIGHT}x24 -dpi 96 -listen tcp -ac &
+x11vnc -display ${DISPLAY} -rfbport ${VNC_PORT} -forever &
+websockify --web /usr/share/novnc ${NOVNC_PORT} localhost:${VNC_PORT}

README.md

@@ -20,3 +20,19 @@ fn main() {
   println!("运行耗时: {:?}", start.elapsed());
 }
 ```
+
+## Linux requirements
+
+On Linux, you need to install `libxcb`、`libxrandr`
+
+Debian/Ubuntu:
+
+```sh
+apt-get install libxcb1 libxrandr2
+```
+
+Alpine:
+
+```sh
+apk add libxcb1 libxrandr2
+```