Dockerfile

FROM alpine:latest AS base

ENV NODE_ENV="development"

# where the incoming source code will be saved temporarily
ENV SANDBOX_DIR="/tmp/sandbox"

RUN apk add --no-cache bash bash-doc bash-completion
RUN apk add --no-cache build-base
RUN apk add --no-cache bash
RUN apk add --no-cache curl
RUN apk add --no-cache openjdk11
RUN apk add --no-cache php7
RUN apk add --no-cache nodejs npm
RUN apk add --no-cache python3 py3-pip

ENV FPC_VERSION="3.2.2"
ENV FPC_ARCH="x86_64-linux"
RUN apk add --no-cache binutils && \
    cd /tmp && \
    wget "ftp://ftp.hu.freepascal.org/pub/fpc/dist/${FPC_VERSION}/${FPC_ARCH}/fpc-${FPC_VERSION}.${FPC_ARCH}.tar" -O fpc.tar && \
    tar xf "fpc.tar" && \
    cd "fpc-${FPC_VERSION}.${FPC_ARCH}" && \
    rm demo* doc* && \
    \
    mkdir /lib64 && \
    ln -s /lib/ld-musl-x86_64.so.1 /lib64/ld-linux-x86-64.so.2 && \
    \
    echo -e '/usr\nN\nN\nN\n' | sh ./install.sh && \
    find "/usr/lib/fpc/${FPC_VERSION}/units/${FPC_ARCH}/" -type d -mindepth 1 -maxdepth 1 \
        -not -name 'fcl-base' \
        -not -name 'rtl' \
        -not -name 'rtl-console' \
        -not -name 'rtl-objpas' \
        -exec rm -r {} \; && \
    rm -r "/lib64" "/tmp/"*

WORKDIR /app/sandbox

COPY package.json ./
RUN npm install
COPY ./ ./



################################
# To be run only in production #
################################
FROM base AS production

ENV NODE_ENV="production"

# how many milliseconds maximum the server will spend in a shell execution
ENV SANDBOX_TIMEOUT=10000

RUN npm install -g pm2

RUN rm build/ -rf
RUN npm run build

EXPOSE $PORT

CMD ["pm2-runtime", "start", "build/index.js"]