FROM alpine:3.23.3 AS builder

# based on https://bigmike.help/ru/devops/034/
# https://tdlib.github.io/telegram-bot-api/build.html?os=Linux

ARG TELEGRAM_BOT_API_REF=master

RUN apk add --no-cache  \
    alpine-sdk \
    linux-headers \
    git \
    zlib-dev \
    openssl-dev \
    gperf \
    cmake \
    curl \
    ca-certificates \
    musl-dev \
    make \
    pkgconfig \
    autoconf \
    automake \
    libtool

RUN git clone --recursive https://github.com/tdlib/telegram-bot-api.git /src --depth 1 --branch ${TELEGRAM_BOT_API_REF}

WORKDIR /src

RUN set -x && \
    rm -rf build && \
    mkdir /src/build && \
    cd /src/build && \
    nproc=$(n=$(nproc) ; max_n=5 ; echo $(( n <= max_n ? n : max_n )) ) && \
    cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local .. && \
    cmake --build . --target telegram-bot-api -j"$nproc" && \
    strip /src/build/telegram-bot-api


FROM alpine:3.23.3

RUN apk add --no-cache \
    libstdc++ \
    curl \
    ca-certificates \
    tzdata \
    libssl3 \
    zlib

COPY --from=builder /src/build/telegram-bot-api /usr/local/bin/telegram-bot-api

EXPOSE 8081

WORKDIR /data

VOLUME /data

ENTRYPOINT ["/usr/local/bin/telegram-bot-api"]