Match upstream's machine learning host

Also, implement a migration process.

Signed-off-by: Juhyung Park <qkrwngud825@gmail.com>

install.sh

@@ -112,7 +112,13 @@ python3 -m venv $APP/machine-learning/venv
   poetry install --no-root --with dev --with cpu
   cd ..
 )
-cp -a machine-learning/ann machine-learning/start.sh machine-learning/app $APP/machine-learning/
+cp -a \
+  machine-learning/ann \
+  machine-learning/start.sh \
+  machine-learning/log_conf.json \
+  machine-learning/gunicorn_conf.py \
+  machine-learning/app \
+    $APP/machine-learning/
 
 # Install GeoNames
 mkdir -p $APP/geodata
@@ -157,20 +163,30 @@ set +a
 cd $APP/machine-learning
 . venv/bin/activate
 
-: "\${MACHINE_LEARNING_HOST:=127.0.0.1}"
-: "\${MACHINE_LEARNING_PORT:=3003}"
+: "\${IMMICH_HOST:=127.0.0.1}"
+: "\${IMMICH_PORT:=3003}"
 : "\${MACHINE_LEARNING_WORKERS:=1}"
-: "\${MACHINE_LEARNING_WORKER_TIMEOUT:=120}"
+: "\${MACHINE_LEARNING_HTTP_KEEPALIVE_TIMEOUT_S:=2}"
 
 exec gunicorn app.main:app \
-        -k app.config.CustomUvicornWorker \
-        -w "\$MACHINE_LEARNING_WORKERS" \
-        -b "\$MACHINE_LEARNING_HOST":"\$MACHINE_LEARNING_PORT" \
-        -t "\$MACHINE_LEARNING_WORKER_TIMEOUT" \
-        --log-config-json log_conf.json \
-        --graceful-timeout 0
+	-k app.config.CustomUvicornWorker \
+	-c gunicorn_conf.py \
+	-b "\$IMMICH_HOST":"\$IMMICH_PORT" \
+	-w "\$MACHINE_LEARNING_WORKERS" \
+	-t "\$MACHINE_LEARNING_WORKER_TIMEOUT" \
+	--log-config-json log_conf.json \
+	--keep-alive "\$MACHINE_LEARNING_HTTP_KEEPALIVE_TIMEOUT_S" \
+	--graceful-timeout 0
 EOF
 
+# Migrate env file
+if [ -e "$IMMICH_PATH/env" ]; then
+  if grep -q "^MACHINE_LEARNING_HOST=" "$IMMICH_PATH/env"; then
+    # Simply change MACHINE_LEARNING_HOST to IMMICH_HOST
+    sed -i -e 's/MACHINE_LEARNING_HOST/IMMICH_HOST/g' "$IMMICH_PATH/env"
+  fi
+fi
+
 # Cleanup
 rm -rf $TMP