FROM akorn/luarocks:lua5.1-alpine

RUN apk add build-base openssl-dev

RUN luarocks install luasocket \
    && luarocks install luasec \
    && luarocks install lua-cjson \
    && luarocks install redis-lua \
    && luarocks install luaposix

WORKDIR /opt/updater
COPY updater.lua .
CMD ["lua", "updater.lua"]