ARG NODE_VERSION=16.20
ARG DEBIAN_VARIANT=bullseye

FROM node:${NODE_VERSION}-${DEBIAN_VARIANT} AS builder

WORKDIR /app

ARG INSTANTCLIENT_ZIP_URL=https://download.oracle.com/otn_software/linux/instantclient/instantclient-basiclite-linuxx64.zip
RUN apt-get update \
  && apt-get install -y --no-install-recommends ca-certificates wget unzip libaio1 libnsl2 \
  && rm -rf /var/lib/apt/lists/* \
  && mkdir -p /opt/oracle \
  && wget -q "${INSTANTCLIENT_ZIP_URL}" -O /opt/oracle/instantclient.zip \
  && unzip -q /opt/oracle/instantclient.zip -d /opt/oracle \
  && rm /opt/oracle/instantclient.zip \
  && rm -f /opt/oracle/instantclient_*/ojdbc*.jar \
           /opt/oracle/instantclient_*/ucp*.jar \
           /opt/oracle/instantclient_*/xstreams.jar \
           /opt/oracle/instantclient_*/adrci \
           /opt/oracle/instantclient_*/genezi \
           /opt/oracle/instantclient_*/uidrvci \
  && ln -s "$(ls -d /opt/oracle/instantclient_* | head -n 1)" /opt/oracle/instantclient

ENV LD_LIBRARY_PATH=/opt/oracle/instantclient
ENV PATH=/opt/oracle/instantclient:$PATH

COPY package*.json ./
ENV NPM_CONFIG_LEGACY_PEER_DEPS=true
RUN npm ci

COPY . .
RUN npm run build \
  && npm prune --omit=dev --legacy-peer-deps \
  && npm cache clean --force

FROM node:${NODE_VERSION}-${DEBIAN_VARIANT}-slim AS runtime

WORKDIR /app

ENV NODE_ENV=production
ENV LD_LIBRARY_PATH=/opt/oracle/instantclient
ENV PATH=/opt/oracle/instantclient:$PATH

RUN apt-get update \
  && apt-get install -y --no-install-recommends libaio1 libnsl2 \
  && rm -rf /var/lib/apt/lists/*

COPY --from=builder /opt/oracle /opt/oracle
COPY --from=builder /app/package*.json ./
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/dist ./dist

EXPOSE 8065

CMD ["node", "dist/main"]