fix build

Containerfile

@@ -0,0 +1,22 @@
+FROM node:lts-alpine AS build-stage
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+RUN npx nest build
+
+# étape de production
+FROM node:lts-alpine AS production-stage
+WORKDIR /app
+COPY --from=build-stage /app/dist/ /app
+COPY --from=build-stage /app/node_modules/ /app/node_modules
+EXPOSE 3000
+
+ENV API_PREFIX=/api
+
+ENV PG_HOST=127.0.0.1
+ENV PG_USER=polls
+ENV PG_PASSWORD=polls
+ENV PG_DATABASE=polls
+
+CMD ["node", "main"]