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FROM meyay/languagetool:6.6-8

# Hugging Face Spaces routes traffic to the port defined in README.md (app_port).
# We make LanguageTool listen on the same port.
ENV LISTEN_PORT=7860

# Full features: ngrams + fastText
# Valid ngram langs in this image include: en, de, es, fr, nl
ENV download_ngrams_for_langs=en,de

# Store models on /data if you enabled Persistent Storage in the Space settings.
# Without Persistent Storage, this still works but will re-download after restarts.
ENV langtool_languageModel=/data/ngrams
ENV langtool_fasttextModel=/data/fasttext/lid.176.bin

# Performance tuning (adjust to your Space hardware)
ENV JAVA_XMS=512m
ENV JAVA_XMX=4096m
ENV JAVA_GC=ShenandoahGC

# Ensure folders exist (harmless if /data is later mounted as a persistent volume)
RUN mkdir -p /data/ngrams /data/fasttext

EXPOSE 7860