Dockerfile.prod

# =============================================================================
# r.avaflow Classic — Production Docker Image (monolith)
# Build context: D:/r.avaflow.40G/r.avaflow/
# =============================================================================

# Stage 1: Frontend build (Angular web-production)
FROM node:20-slim AS frontend-build
WORKDIR /build
COPY web-app/package*.json ./
RUN npm ci --ignore-scripts
COPY web-app/ ./
RUN npx ng build -c web-production

# Stage 2: Backend build (NestJS)
FROM node:20-slim AS backend-build
WORKDIR /build
COPY web-app/server/package*.json ./
RUN npm ci
COPY web-app/server/ ./
RUN npm run build

# Stage 3: Runtime
FROM ubuntu:22.04 AS runtime
ENV DEBIAN_FRONTEND=noninteractive
ENV LANG=C.UTF-8

# Yandex mirror (reliable from Russia)
RUN sed -i \
    's|http://archive.ubuntu.com|http://mirror.yandex.ru|g; s|http://security.ubuntu.com|http://mirror.yandex.ru|g' \
    /etc/apt/sources.list

RUN apt-get update && \
    apt-get install -y --no-install-recommends \
      locales curl gnupg ca-certificates && \
    locale-gen en_US.UTF-8 && \
    update-locale LANG=en_US.UTF-8 && \
    rm -rf /var/lib/apt/lists/*

ENV LC_ALL=en_US.UTF-8

# Use bash by default
RUN ln -fs /bin/bash /bin/sh

# Python 3
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
      python3 python3-pip python3-setuptools python3-wheel python3-pil && \
    echo "alias python=python3" >> ~/.bash_aliases && \
    rm -rf /var/lib/apt/lists/*

# ubuntugis PPA
RUN curl -fsSL "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x6B827C12C2D425E227EDCA75089EBE08314DF160" | \
      gpg --dearmor -o /usr/share/keyrings/ubuntugis.gpg && \
    echo "deb [signed-by=/usr/share/keyrings/ubuntugis.gpg] https://ppa.launchpadcontent.net/ubuntugis/ubuntugis-unstable/ubuntu jammy main" \
      > /etc/apt/sources.list.d/ubuntugis-unstable.list && \
    apt-get update -y && \
    apt-get install -y --no-install-recommends \
      libgeos-dev libproj-dev proj-data proj-bin \
      libgdal-dev python3-gdal gdal-bin && \
    rm -rf /var/lib/apt/lists/*

# GRASS GIS + ImageMagick (for GIF animation generation)
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
      grass-core grass-dev git make gcc g++ libgomp1 imagemagick && \
    rm -rf /var/lib/apt/lists/*

# R statistical software
RUN curl -fsSL https://cloud.r-project.org/bin/linux/ubuntu/marutter_pubkey.asc | \
      gpg --dearmor -o /usr/share/keyrings/r-project.gpg && \
    echo "deb [signed-by=/usr/share/keyrings/r-project.gpg] https://cloud.r-project.org/bin/linux/ubuntu jammy-cran40/" \
      > /etc/apt/sources.list.d/r-project.list && \
    apt-get update -y && \
    apt-get install -y --no-install-recommends r-base r-base-core && \
    rm -rf /var/lib/apt/lists/*

# R packages (classic — no deprecated rgdal/rgeos/maptools)
RUN R -q -e 'install.packages(c("stats","foreign","sp","sf","terra","raster","lattice","ROCR","fmsb","Rcpp"), lib="/usr/lib/R/library/", repos="https://cloud.r-project.org")'

# Install r.avaflow addon in GRASS GIS
WORKDIR /build
COPY avaflow/ ./avaflow/
# Deprecated R libraries removed from C source (main.c no longer emits library(maptools/rgdal)).
# Stub packages provide shims in case an older binary still references them.
RUN grass -c XY ./temp_grassdb/temp_location/ --exec g.extension extension=r.avaflow url=/build/avaflow/ && \
    rm -rf ./temp_grassdb
RUN R -q --no-save -e "\
  dir.create('/tmp/maptools', showWarnings=FALSE); \
  writeLines(c('Package: maptools','Version: 0.0.1','Title: Stub','Description: Placeholder','License: GPL-2'), '/tmp/maptools/DESCRIPTION'); \
  writeLines('# empty', '/tmp/maptools/NAMESPACE'); \
  install.packages('/tmp/maptools', repos=NULL, type='source', lib='/usr/lib/R/library'); \
  dir.create('/tmp/rgdal/R', recursive=TRUE, showWarnings=FALSE); \
  writeLines(c('Package: rgdal','Version: 0.0.1','Title: Stub','Description: readGDAL shim via raster','License: GPL-2','Imports: raster, sp'), '/tmp/rgdal/DESCRIPTION'); \
  writeLines(c('export(readGDAL)','import(raster)','import(sp)'), '/tmp/rgdal/NAMESPACE'); \
  writeLines('readGDAL <- function(fname, ...) { r <- raster::raster(fname); as(r, \"SpatialGridDataFrame\") }', '/tmp/rgdal/R/readGDAL.R'); \
  install.packages('/tmp/rgdal', repos=NULL, type='source', lib='/usr/lib/R/library'); \
  unlink(c('/tmp/maptools','/tmp/rgdal'), recursive=TRUE)"

# Node.js 20
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
    apt-get install -y --no-install-recommends nodejs && \
    rm -rf /var/lib/apt/lists/*

# tini as PID 1
RUN apt-get update && \
    apt-get install -y --no-install-recommends tini && \
    rm -rf /var/lib/apt/lists/*

# NestJS backend
WORKDIR /app
COPY --from=backend-build /build/dist ./dist
COPY --from=backend-build /build/node_modules ./node_modules
COPY --from=backend-build /build/package.json ./

# Angular static files
COPY --from=frontend-build /build/dist ./static

# Projects directory
RUN mkdir -p /data/projects/uploads

ENV NODE_ENV=production
ENV AVAFLOW_PROJECTS_PATH=/data/projects
ENV AVAFLOW_MODULE=r.avaflow
ENV OMP_NUM_THREADS=8
ENV PORT=3000

EXPOSE 3000
VOLUME /data/projects

HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
  CMD curl -f http://localhost:3000/api/health || exit 1

ENTRYPOINT ["tini", "--"]
CMD ["node", "dist/main.js"]