build: build with docker

Dockerfile

@@ -0,0 +1,25 @@
+FROM node:22-slim AS build
+ENV PNPM_HOME="/p"
+ENV PATH="$PNPM_HOME:$PATH"
+WORKDIR /app
+
+RUN corepack enable pnpm \
+    && apt-get update \
+    && apt-get install -y --no-install-recommends git \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY package.json pnpm-lock.yaml .npmrc ./
+RUN pnpm exec true
+COPY . .
+RUN pnpm install --frozen-lockfile
+
+ARG GIT_COMMIT=
+ARG GIT_COMMIT_FULL=
+
+RUN pnpm build
+
+FROM caddy:latest
+COPY --from=build /app/dist /srv/um-react
+EXPOSE 80
+CMD ["caddy", "file-server", "--root", "/srv/um-react"]