Update Dockerfile

Dockerfile

@@ -17,22 +17,25 @@ WORKDIR $HOME/app
 # Copy the application code and the requirements.txt file
 COPY --chown=user . $HOME/app
 
-# Download VOICEVOX Core from latest Release
+# Download VOICEVOX Core v0.15.0's download.sh script
 RUN curl -sSfL https://github.com/VOICEVOX/voicevox_core/releases/download/0.15.0/download.sh -o download.sh
-RUN sed -i 's|https://jaist.dl.sourceforge.net/project/open-jtalk/Dictionary/open_jtalk_dic-1.11/open_jtalk_dic_utf_8-1.11.tar.gz|https://downloads.sourceforge.net/project/open-jtalk/Dictionary/open_jtalk_dic-1.11/open_jtalk_dic_utf_8-1.11.tar.gz|' download.sh
 
-# Give execution permissions
+# If 404 error occurs on the open_jtalk dictionary URL, uncomment below line to use jaist mirror
+# RUN sed -i 's|https://downloads.sourceforge.net/project/open-jtalk/Dictionary/open_jtalk_dic-1.11/open_jtalk_dic_utf_8-1.11.tar.gz|https://jaist.dl.sourceforge.net/project/open-jtalk/Dictionary/open_jtalk_dic-1.11/open_jtalk_dic_utf_8-1.11.tar.gz|' download.sh
+
+# Give execution permissions to the download script
 RUN chmod +x download.sh
 
-# Install VOICEVOX Core
+# Run the download script to install VOICEVOX Core and dictionaries
 RUN ./download.sh
 
-# Clone VOICEVOX Engine from Git Repository
+# Clone VOICEVOX Engine repository (release-0.15 branch)
 RUN git clone --branch release-0.15 https://github.com/VOICEVOX/voicevox_engine.git
 
-# Install requirements.txt
+# Install Python dependencies for VOICEVOX Engine
 RUN pip install --no-cache-dir --upgrade -r voicevox_engine/requirements.txt
 
-# Start the FastAPI app on port 7860, the default port expected by Spaces
+# Start the FastAPI app on port 7860, with all models loaded and CORS policy set to allow all origins
 CMD ["python", "voicevox_engine/run.py", "--voicelib_dir", "voicevox_core", "--host", "0.0.0.0", "--port", "7860", "--cors_policy_mode", "all", "--load_all_models"]
+
 #RUN voicevox_engine --download-models