Try docker

Refs #51

.dockerignore

@@ -0,0 +1,5 @@
+node_modules
+.git
+.gitignore
+*.md
+dist

package.json

@@ -13,6 +13,6 @@
     "@biomejs/biome": "1.8.3",
     "turbo": "^2.0.6"
   },
-  "packageManager": "pnpm@8.15.6",
+  "packageManager": "pnpm@9.12.1",
   "name": "class-web"
 }

packages/class/Dockerfile

@@ -0,0 +1,19 @@
+# From https://pnpm.io/docker#example-1-build-a-bundle-in-a-docker-container
+# Build with
+# docker build -t class -f packages/class/Dockerfile .
+# Run with
+# docker run --rm -v $PWD:$PWD class $PWD/config.json
+FROM node:22-slim
+ENV PNPM_HOME="/pnpm"
+ENV PATH="$PNPM_HOME:$PATH"
+RUN corepack enable
+COPY . /app
+WORKDIR /app
+
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --prod --frozen-lockfile
+
+# Create a non-root user and switch to it
+RUN useradd --create-home --shell /bin/bash appuser
+USER appuser
+WORKDIR /app/packages/class/src
+ENTRYPOINT ["node", "--experimental-strip-types", "--experimental-default-type=module", "cli.ts"]

packages/class/package.json

@@ -14,7 +14,8 @@
   "scripts": {
     "test": "tsx --test src/*.test.ts",
     "typecheck": "tsc --noEmit",
-    "json2ts": "json2ts src/config.json src/config.ts"
+    "json2ts": "json2ts src/config.json src/config.ts",
+    "build": "tsc --outDir dist --module nodenext --target esnext --moduleResolution nodenext --declarationMap false --declaration false"
   },
   "devDependencies": {
     "@types/node": "^20.13.1",

packages/class/src/cli.ts

@@ -24,4 +24,6 @@ function main() {
   }
 }
 
-main();
+if (require.main === module) {
+  main();
+}