fix: add git and optimize dockerfile

Author: MartinKolarik

Diff for: Dockerfile

@@ -1,13 +1,25 @@
-FROM node:18-bullseye-slim
-RUN apt-get update -y && apt-get install tini util-linux curl -y
+FROM node:18-bullseye-slim AS builder
+RUN apt-get update -y && apt-get install util-linux curl git -y
 
 ENV NODE_ENV production
 
-COPY . /app
+ADD package.json package-lock.json /app/
 WORKDIR /app
 RUN npm ci --include=dev
+COPY . /app
 RUN npm run build
 
+FROM node:18-bullseye-slim
+RUN apt-get update -y && apt-get install tini util-linux curl -y
+
+ENV NODE_ENV production
+
+ADD package.json package-lock.json /app/
+WORKDIR /app
+RUN npm ci
+COPY . /app
+COPY --from=builder /app/dist /app/data /app/
+
 ENV PORT=80
 EXPOSE 80
 ENTRYPOINT ["/usr/bin/tini", "--"]