Newsfile

Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>

changelog.d/13548.docker

@@ -0,0 +1 @@
+Add more information to the Docker image for debugging an issue where dependencies are not properly installed.

docker/Dockerfile

@@ -77,7 +77,7 @@ ARG TEST_ONLY_IGNORE_POETRY_LOCKFILE
 # Otherwise, just create an empty requirements file so that the Dockerfile can
 # proceed.
 RUN if [ -z "$TEST_ONLY_IGNORE_POETRY_LOCKFILE" ]; then \
-    /root/.local/bin/poetry export --extras all -o /synapse/requirements.txt ${TEST_ONLY_SKIP_DEP_HASH_VERIFICATION:+--without-hashes}; \
+    /root/.local/bin/poetry export --verbose --extras all -o /synapse/requirements.txt ${TEST_ONLY_SKIP_DEP_HASH_VERIFICATION:+--without-hashes}; \
   else \
     touch /synapse/requirements.txt; \
   fi
@@ -159,6 +159,10 @@ RUN \
     && rm -rf /var/lib/apt/lists/*
 
 COPY --from=builder /install /usr/local
+
+# Copy requirements.txt for traceability
+COPY --from=requirements /synapse/requirements.txt /
+
 COPY ./docker/start.py /start.py
 COPY ./docker/conf /conf