npm ci and node:alpine in use for Gitlab CI

Dockerfile

@@ -3,6 +3,8 @@ FROM node:alpine
 RUN apk add --no-cache libpng-dev gcc make g++ zlib-dev bash lcms2-dev autoconf automake libtool nasm
 WORKDIR /app
 COPY package.json package-lock.json ./
+COPY .env.sample .env
+RUN source .env
 RUN npm ci
 
 COPY . ./