Ignore Tampio output and add fi-x-morpho dictionary to Docker

Dockerfile

@@ -4,15 +4,28 @@ FROM ubuntu:24.04
 ENV DEBIAN_FRONTEND=noninteractive
 
 # libvoikko: the Finnish morphology library Tampio depends on
-# voikko-fi: the actual Finnish dictionary data
+# voikko-fi: provides only mor-standard; fi-x-morpho must be downloaded separately
 RUN apt-get update && apt-get install -y \
     libvoikko-dev \
     voikko-fi \
     python3 \
     python3-libvoikko \
     git \
+    curl \
+    unzip \
     && rm -rf /var/lib/apt/lists/*
 
+# Install the fi-x-morpho dictionary that Tampio requires.
+# The voikko-fi apt package only ships mor-standard; the morpho variant is a
+# separate snapshot published by the voikko-fi project. The zip unpacks to
+# 5/mor-morpho/ which is exactly where libvoikko looks for it under a search
+# path. We install it system-wide under /usr/lib/voikko so it is available to
+# all users (including non-interactive Docker runs).
+RUN curl -fsSL https://www.puimula.org/htp/testing/voikko-snapshot-v5/dict-morpho.zip \
+        -o /tmp/dict-morpho.zip \
+    && unzip /tmp/dict-morpho.zip -d /usr/lib/voikko \
+    && rm /tmp/dict-morpho.zip
+
 # Install Tampio directly from source (not on PyPI or npm)
 RUN git clone https://github.com/fergusq/tampio.git /opt/tampio