update base image to alpine

Author: zekroTJA

Diff for: Dockerfile

@@ -1,6 +1,8 @@
-FROM node:13-stretch as build
+FROM node:14-alpine as build
 WORKDIR /var/myrunes
 ADD . .
+
+RUN apk add git
 RUN [ -e ${VUE_APP_API_HOST_URL} ] ||\
     echo "VUE_APP_API_HOST_URL=${VUE_APP_API_HOST_URL}" \
     >> .env
@@ -9,8 +11,11 @@ RUN echo "VUE_APP_VERSION=$(git describe --tags --abbrev=0)+$(git describe --tag
 RUN npm ci &&\
     npm run build
 
-FROM nginx:latest AS final
+# ----------------------------------------------------------
+
+FROM nginx:mainline-alpine AS final
 LABEL maintainer="zekro <[email protected]>"
+
 WORKDIR /app
 COPY --from=build /var/myrunes/dist .
 ADD ./config/nginx.conf /etc/nginx/conf.d/myrunes.conf