Dockerfile-alpine

FROM node:18-alpine3.16 As build

RUN apk add --no-cache alpine-sdk cmake linux-headers
ENV OPENCV_BUILD_ROOT=/usr/src/opencv
ENV OPENCV4NODEJS_AUTOBUILD_OPENCV_VERSION=4.5.5
RUN mkdir -p /usr/src/opencv
RUN npm install -g rimraf
RUN npm install -g @u4/opencv4nodejs
RUN rimraf /usr/local/lib/node_modules/**/*.{md,map,txt}
RUN rimraf /usr/local/lib/node_modules/{@eslint}
RUN rimraf /usr/local/lib/node_modules/**/{LICENSE,.github,.npmignore,LICENSE.txt,.travis.yml,.eslintrc,sponsors}
RUN rimraf /usr/local/lib/node_modules/*/{test}
RUN find /usr/local/lib/node_modules/ -type f -empty -print -delete
RUN find /usr/local/lib/node_modules/ -type d -empty -print -delete
RUN rimraf /usr/src/opencv/opencv-*/build/{doc,3rdparty,*.txt,*.cmake,*.tmp,tmp,downloads,opencv_python_tests.cfg}
RUN rimraf /usr/src/opencv/opencv-*/**/{cmake,*.txt,*.cmake,*.make,*.tmp,*.o,*.md,*.cpp,Makefile,CMakeFiles,*.sh}
RUN rimraf /usr/src/opencv/opencv-*/build/modules/.firstpass/
RUN rimraf /usr/src/opencv/opencv-*/build/share/opencv4/testdata
RUN rimraf /usr/src/opencv/opencv-*/build/share/
RUN find /usr/src/opencv/ -type f -empty -print -delete
RUN find /usr/src/opencv/ -type d -empty -print -delete

FROM node:18-alpine3.16 As production
ENV OPENCV_BUILD_ROOT=/usr/src/opencv
ENV OPENCV4NODEJS_AUTOBUILD_OPENCV_VERSION=4.6.0
# ARG NODE_ENV=production
#ENV NODE_ENV=${NODE_ENV}
WORKDIR /usr/src/app
COPY --from=build /usr/src/opencv /usr/src/opencv
COPY --from=build /usr/local/lib/node_modules/@u4 /usr/local/lib/node_modules/@u4
# COPY test ./
# COPY data ../data
# RUN npm remove @u4/opencv4nodejs
# RUN npm install
# RUN npm link @u4/opencv4nodejs
# docker run -it --rm urielch/opencv-nodejs:test npm run test