move devcontainer (#113)

appendix-A/04_optional-docker-environment/.devcontainer/Dockerfile

@@ -0,0 +1,11 @@
+FROM pytorch/pytorch:2.0.1-cuda11.7-cudnn8-runtime
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y rsync && \
+    apt-get install -y git && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt requirements.txt
+
+RUN pip install --no-cache-dir -r requirements.txt

appendix-A/04_optional-docker-environment/.devcontainer/README.md

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+# Optional Docker Environment
+
+This is an optional Docker environment for those users who prefer Docker. For more instructions, see the *Docker Environment Setup Guide* in [appendix-A/04_optional-docker-environment](../).

appendix-A/04_optional-docker-environment/.devcontainer/devcontainer.json

@@ -0,0 +1,19 @@
+{
+  "name": "LLMs From Scratch",
+  "build": {
+    "context": "..",
+    "dockerfile": "Dockerfile"
+  },
+  "runArgs": ["--runtime=nvidia", "--gpus=all"],
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "ms-python.python",
+        "ms-azuretools.vscode-docker",
+        "ms-toolsai.jupyter",
+        "yahyabatulu.vscode-markdown-alert",
+        "tomoki1207.pdf"
+      ]
+    }
+  }
+}