Bootstrap CodePress Live Dev Server recipe + dev Dockerfiles

.codepress/dev-server/Dockerfile.main

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+# Generated by CodePress bootstrap-dev-server.
+# Dev-mode image for the "main" frontend (Live Dev Server).
+# Edits are preserved, but running /bootstrap-dev-server again may overwrite them.
+FROM node:22-bookworm-slim
+
+# Install yarn v1 (no packageManager field in package.json, so corepack cannot resolve the version).
+RUN npm install -g yarn
+
+WORKDIR /app
+
+# Install deps from the lockfile in a cached layer.
+COPY package.json yarn.lock ./
+RUN yarn install --frozen-lockfile
+
+# Copy the rest of the repo (build context is the repo root).
+COPY . .
+
+# HMR + bind config — values come from the runtime, never hardcoded.
+# scripts/start.js reads HOST (not HOSTNAME) and PORT from env.
+# CODEPRESS_HMR_CLIENT_PORT maps to WDS_SOCKET_PORT for the webpack-dev-server client.
+ENV HOSTNAME=0.0.0.0 \
+    PORT=3000 \
+    CODEPRESS_HMR_CLIENT_PORT=443 \
+    CODEPRESS_HMR_PROTOCOL=wss
+
+EXPOSE 3000
+
+# Dev command (HMR on). Map HOSTNAME → HOST and CODEPRESS_HMR_CLIENT_PORT → WDS_SOCKET_PORT
+# so the webpack-dev-server client connects through the proxy at the public port.
+CMD ["sh", "-c", "HOST=${HOSTNAME} WDS_SOCKET_PORT=${CODEPRESS_HMR_CLIENT_PORT} yarn start"]

.codepress/dev-server/recipe.json

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+{
+  "schema_version": 1,
+  "bootstrapped_at": "2026-06-16T05:50:00Z",
+  "discovery_branch": "codepress/codepress/bootstrap-dev-server-artifacts-cd422ee1",
+  "frontends": [
+    {
+      "label": "main",
+      "working_dir": "",
+      "dockerfile_path": ".codepress/dev-server/Dockerfile.main",
+      "dev_command": "yarn start",
+      "framework": "cra",
+      "package_manager": "yarn",
+      "dev_port": 3000,
+      "system_packages": []
+    }
+  ]
+}