[Docker] Add npm build

Signed-off-by: Herklos <herklos@drakkar.software>

Author: Herklos

.dockerignore

@@ -103,3 +103,6 @@ ENV/
 
 # documentation
 docs
+
+# Node
+node_modules

Dockerfile

@@ -1,3 +1,12 @@
+FROM node:22-slim AS frontend
+
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY octobot_script/resources/report/ octobot_script/resources/report/
+COPY vite.config.ts tsconfig*.json ./
+RUN npm run build
+
 FROM python:3.13-slim-bullseye AS base
 
 WORKDIR /app
@@ -7,6 +16,7 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends build-essential git gcc binutils
 
 COPY . .
+COPY --from=frontend /app/octobot_script/resources/report/dist/ octobot_script/resources/report/dist/
 
 RUN pip3 install --no-cache-dir -U setuptools wheel pip \
     && pip3 install --no-cache-dir -r requirements.txt \

setup.py

@@ -21,6 +21,10 @@
 
 
 def _build_report():
+    if os.path.isfile(REPORT_DIST):
+        print(f"[report] Pre-built bundle found → {REPORT_DIST}, skipping JS build.")
+        return
+
     npm = "npm"
 
     print("[report] Installing JS dependencies…")