Bootstrap CodePress Live Dev Server recipe + dev Dockerfiles

.codepress/dev-server/Dockerfile.web

@@ -0,0 +1,59 @@
+# Generated by CodePress bootstrap-dev-server.
+# Dev-mode image for the "web" frontend (Live Dev Server).
+# Edits are preserved, but running /codepress-bootstrap-dev-server again may overwrite them.
+FROM public.ecr.aws/docker/library/node:22-bookworm
+
+# System packages the dev runtime needs. `procps` only: this app's dependency tree
+# has no native module that builds from source on linux (its only node-gyp package,
+# `fsevents`, is darwin-only and is skipped here), so no extra apt library is
+# required.
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends procps \
+    && rm -rf /var/lib/apt/lists/*
+
+# The repo declares no `packageManager` field and ships a v1 `web/yarn.lock`, so
+# pin Yarn Classic explicitly. Baking the binary keeps cold starts from having to
+# fetch a package manager off the public registry before the dev command can run.
+RUN corepack enable && corepack prepare yarn@1.22.22 --activate
+
+WORKDIR /app
+
+# THIN image: no `node_modules`, no source COPY. The dev-server runtime provides
+# dependencies at run time (squashfs hydration, or `yarn install --frozen-lockfile`
+# in this image against the bind-mounted checkout). Only the toolchain lives here.
+
+# HMR + bind config — values come from the runtime, never hardcoded.
+ENV HOSTNAME=0.0.0.0 \
+    CODEPRESS_BIND_HOST=0.0.0.0 \
+    PORT=3000 \
+    CODEPRESS_HMR_CLIENT_PORT=443 \
+    CODEPRESS_HMR_PROTOCOL=wss
+
+# react-scripts otherwise tries to launch a browser on start; there is none here.
+ENV BROWSER=none
+
+# This app pins react-scripts 1.0.10, whose dev server disables webpack-dev-server's
+# host check unless a `proxy` field is set in package.json. None is set today, so the
+# preview host is already accepted; setting this keeps the preview working if a
+# `proxy` is added later.
+ENV DANGEROUSLY_DISABLE_HOST_CHECK=true
+
+WORKDIR /app/web
+EXPOSE 3000
+
+# Put the app + root bins on PATH so anything the dev command shells out to resolves
+# node_modules/.bin. These dirs are populated at run time on the bind-mounted
+# checkout. Prepend, never replace ${PATH}, so the corepack/yarn shims survive.
+ENV PATH="/app/web/node_modules/.bin:/app/node_modules/.bin:${PATH}"
+
+# Dev command (HMR on), invoked through the package manager rather than a bare bin.
+# react-scripts reads the bind address from HOST (not HOSTNAME), so map
+# CODEPRESS_BIND_HOST onto it at run time — that way a runtime override is honored
+# instead of being frozen into an ENV at build time.
+#
+# WDS_SOCKET_PORT is mapped for contract uniformity, but note it is a no-op on
+# react-scripts 1.x: that version's HMR client (react-dev-utils 3.x
+# webpackHotDevClient) builds its SockJS URL from window.location, so behind the
+# preview proxy it already connects to wss://<preview-host>/sockjs-node on 443.
+# The mapping takes effect as written if react-scripts is later upgraded to 3.4+.
+CMD ["sh", "-c", "HOST=\"${CODEPRESS_BIND_HOST:-0.0.0.0}\" WDS_SOCKET_PORT=\"${CODEPRESS_HMR_CLIENT_PORT:-443}\" yarn start"]

.codepress/dev-server/recipe.json

@@ -0,0 +1,22 @@
+{
+  "schema_version": 1,
+  "bootstrapped_at": "2026-07-26T20:43:15Z",
+  "discovery_branch": "master",
+  "frontends": [
+    {
+      "label": "web",
+      "working_dir": "web",
+      "dockerfile_path": ".codepress/dev-server/Dockerfile.web",
+      "dev_command": "yarn start",
+      "prebuild_command": "",
+      "prebuild_inputs": [],
+      "framework": "cra",
+      "package_manager": "yarn",
+      "install_command": "yarn install --frozen-lockfile",
+      "dependency_manifests": ["web/yarn.lock"],
+      "dev_port": 3000,
+      "system_packages": ["procps"],
+      "size": "small"
+    }
+  ]
+}