Dockerfile

# MarkOS UI — Multi-stage Docker Build
#
# Stage 1: Build the frontend with Node.js
# Stage 2: Serve with Nginx (lightweight Alpine image)

# ── Build Stage ───────────────────────────────────────────────
FROM node:22-alpine AS build

WORKDIR /app

COPY package.json package-lock.json ./
RUN npm ci

COPY . .
RUN npm run build

# ── Production Stage ──────────────────────────────────────────
FROM nginx:1.27-alpine

# gettext provides envsubst for template rendering
# busybox wget is already included in Alpine for healthchecks
RUN apk add --no-cache gettext

COPY docker/nginx/default.conf.template /etc/nginx/templates/default.conf.template
COPY docker/entrypoint.sh /entrypoint.sh
COPY --from=build /app/dist /usr/share/nginx/html

RUN chmod +x /entrypoint.sh

EXPOSE 80

ENTRYPOINT ["/entrypoint.sh"]