link-stack/docker/zammad/Dockerfile

ARG ZAMMAD_VERSION=6.5.2

FROM node:22-slim AS node

FROM zammad/zammad-docker-compose:${ZAMMAD_VERSION} AS builder
USER root

# Copy Node.js from node image
COPY --from=node /opt /opt
COPY --from=node /usr/local/bin /usr/local/bin
COPY --from=node /usr/local/lib /usr/local/lib
COPY --from=node /usr/lib /usr/lib

SHELL ["/bin/bash", "-e", "-o", "pipefail", "-c"]

# Install pnpm for package management
RUN npm install -g pnpm
RUN pnpm --version

ENV ZAMMAD_DIR=/opt/zammad
WORKDIR ${ZAMMAD_DIR}

# Copy addons and installation scripts
RUN mkdir -p /opt/zammad/contrib/link/addons
COPY addons contrib/link/addons
COPY setup.rb contrib/link/setup.rb
COPY install.rb contrib/link/install.rb

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    git \
    && rm -rf /var/lib/apt/lists/*

# Install Ruby gems (they should already be installed in the base image)
RUN bundle check || bundle install --jobs 8

# Install Node packages
RUN pnpm install --frozen-lockfile

# CRITICAL: Install addons
# This extracts addon files including CoffeeScript, Vue components, TypeScript, and CSS
RUN ruby contrib/link/install.rb

# Fix OpenSearch compatibility: Replace 'flattened' with 'flat_object'
# Elasticsearch uses 'flattened' but OpenSearch uses 'flat_object'
# Without this fix, search index creation fails with:
#   [o.o.c.m.MetadataCreateIndexService] failed on parsing mappings on index creation
#   org.opensearch.index.mapper.MapperParsingException: Failed to parse mapping [_doc]:
#   No handler for type [flattened] declared on field [preferences]
# See: https://github.com/zammad/zammad/blob/bfd2f5befc3aec3fe607a5b6146788ec9af461e4/lib/search_index_backend.rb#L896
RUN sed -i "s/'flattened'/'flat_object'/g" /opt/zammad/lib/search_index_backend.rb

# Precompile assets with addon CoffeeScript files included
# Use ZAMMAD_SAFE_MODE=1 and dummy DATABASE_URL to avoid needing real database
RUN touch db/schema.rb && \
    ZAMMAD_SAFE_MODE=1 DATABASE_URL=postgresql://zammad:/zammad bundle exec rake assets:precompile

# Clean up build artifacts
RUN rm -rf tmp/cache node_modules/.cache
ARG EMBEDDED=false
ARG LINK_HOST=http://link:3000
# Add nginx proxy configuration for embedded mode
# Insert location block before the final closing brace
RUN if [ "$EMBEDDED" = "true" ] ; then \
    sed -i '$ d' /opt/zammad/contrib/nginx/zammad.conf && \
    echo "" >> /opt/zammad/contrib/nginx/zammad.conf && \
    echo "  location /link {" >> /opt/zammad/contrib/nginx/zammad.conf && \
    echo "    set \$link_url ${LINK_HOST}; proxy_pass \$link_url;" >> /opt/zammad/contrib/nginx/zammad.conf && \
    echo "    proxy_set_header Host \$host;" >> /opt/zammad/contrib/nginx/zammad.conf && \
    echo "    proxy_set_header X-Real-IP \$remote_addr;" >> /opt/zammad/contrib/nginx/zammad.conf && \
    echo "    proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;" >> /opt/zammad/contrib/nginx/zammad.conf && \
    echo "    proxy_set_header X-Forwarded-Proto https;" >> /opt/zammad/contrib/nginx/zammad.conf && \
    echo "  }" >> /opt/zammad/contrib/nginx/zammad.conf && \
    echo "}" >> /opt/zammad/contrib/nginx/zammad.conf; \
fi


# Modify entrypoint to install packages and run migrations at runtime
RUN sed -i '/^[[:space:]]*# es config/a\
  echo "Installing addon packages..."\n\
  bundle exec rails runner /opt/zammad/contrib/link/setup.rb\n\
  bundle exec rake zammad:package:migrate\n\
  ' /docker-entrypoint.sh

FROM zammad/zammad-docker-compose:${ZAMMAD_VERSION} AS runner
USER root

# Install Node.js and npm in runner for asset compilation at runtime
# Using Node from Debian repository for simplicity
RUN apt-get update && \
    apt-get install -y --no-install-recommends nodejs npm && \
    rm -rf /var/lib/apt/lists/* && \
    npm install -g pnpm

USER zammad
COPY --from=builder --chown=zammad:zammad ${ZAMMAD_DIR} ${ZAMMAD_DIR}
COPY --from=builder /usr/local/bundle /usr/local/bundle
COPY --from=builder /docker-entrypoint.sh /docker-entrypoint.sh