feat: Migrate devcontainer to Dockerfile and remove package.json

.devcontainer/Dockerfile

@@ -0,0 +1,44 @@
+# See https://github.com/devcontainers/images/blob/main/src/base-trixie/.devcontainer/Dockerfile
+FROM mcr.microsoft.com/devcontainers/base:trixie
+
+# This Dockerfile installs Bun and textlint with its plugins globally.
+
+# Install OS dependencies and Bun globally
+USER root
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    && apt-get -y install --no-install-recommends unzip curl \
+    && curl -fsSL https://bun.sh/install | bash \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+SHELL ["/bin/bash", "-c"]
+
+# Add Bun to the PATH
+ENV PATH="/root/.bun/bin:${PATH}"
+
+# Install textlint and plugins globally
+RUN bun add --global \
+    textlint@^15.2.2 \
+    textlint-filter-rule-comments@^1.2.2 \
+    textlint-rule-incremental-headers@^0.2.0 \
+    textlint-rule-ja-no-mixed-period@^3.0.1 \
+    textlint-rule-ja-no-successive-word@^2.0.1 \
+    textlint-rule-ja-no-weak-phrase@^2.0.0 \
+    textlint-rule-max-ten@^5.0.0 \
+    textlint-rule-no-dead-link@^6.0.1 \
+    textlint-rule-no-double-negative-ja@^2.0.1 \
+    textlint-rule-no-doubled-conjunction@^3.0.0 \
+    textlint-rule-no-doubled-conjunctive-particle-ga@^3.0.0 \
+    textlint-rule-no-doubled-joshi@^5.1.0 \
+    textlint-rule-no-dropping-the-ra@^3.0.0 \
+    textlint-rule-no-hankaku-kana@^2.0.1 \
+    textlint-rule-no-mix-dearu-desumasu@^6.0.4 \
+    textlint-rule-no-nfd@^2.0.2 \
+    textlint-rule-preset-ja-spacing@^2.4.3 \
+    textlint-rule-preset-jtf-style@^3.0.2
+
+# Switch to non-root user
+USER vscode
+
+# Set working directory for the container
+WORKDIR /workspaces/win

.devcontainer/devcontainer.json

@@ -3,9 +3,8 @@
 {
   "name": "Debian",
   // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-  "image": "mcr.microsoft.com/devcontainers/base:trixie",
-  "features": {
-    "ghcr.io/devcontainer-community/devcontainer-features/deno.com:1": {}
+  "build": {
+    "dockerfile": "Dockerfile"
   }
   // Features to add to the dev container. More info: https://containers.dev/features.
   // "features": {},

.github/dependabot.yml

@@ -4,7 +4,7 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
-  - package-ecosystem: devcontainers
-    directory: "/"
+  - package-ecosystem: "docker"
+    directory: "/.devcontainer"
     schedule:
       interval: "weekly"

.github/workflows/textlint.yml

@@ -26,14 +26,9 @@ jobs:
       - name: Setup repo
         uses: actions/checkout@v6
 
-      - name: Setup Bun
-        uses: oven-sh/setup-bun@v2
-        with:
-          bun-version: latest
+      - name: Build Docker image
+        run: docker build -t textlint-runner .devcontainer
 
-      - name: Install dependencies
-        run: bun install
-
-      - name: Run textlint with Bun
+      - name: Run textlint in Docker
         run: |
-          find posts/${{ matrix.year }} -name '*.md' | sort | xargs -n1 bun x textlint
+          find posts/${{ matrix.year }} -name '*.md' | sort | xargs docker run --rm -v ${{ github.workspace }}:/workspaces/win textlint-runner textlint