ci/cd: added docker compose support

Dockerfile

@@ -0,0 +1,21 @@
+FROM node:20-slim AS base
+ENV PNPM_HOME="/pnpm"
+ENV PATH="$PNPM_HOME:$PATH"
+RUN corepack enable
+COPY . /app
+WORKDIR /app
+
+FROM base AS prod-deps
+ARG CI=true
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --prod --frozen-lockfile
+
+FROM base AS build
+ARG CI=true
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --frozen-lockfile
+RUN pnpm run build
+
+FROM base
+COPY --from=prod-deps /app/node_modules /app/node_modules
+COPY --from=build /app/dist /app/dist
+EXPOSE 8000
+CMD [ "pnpm", "start" ]