feat(frappe-worker): option to set gevent as gunicorn worker-class

build/common/commands/gevent_patch.py

@@ -0,0 +1,2 @@
+import gevent.monkey
+gevent.monkey.patch_all()

build/common/worker/docker-entrypoint.sh

@@ -84,17 +84,26 @@ if [ "$1" = 'start' ]; then
     export FRAPPE_PORT=8000
   fi
 
+  if [[ -z "$WORKER_CLASS" ]]; then
+    export WORKER_CLASS=gthread
+  fi
+
+  export LOAD_CONFIG_FILE=""
+  if [ "$WORKER_CLASS" = "gevent" ]; then
+    export LOAD_CONFIG_FILE="-c /home/frappe/frappe-bench/commands/gevent_patch.py"
+  fi
+
   if [[ ! -z "$AUTO_MIGRATE" ]]; then
     . /home/frappe/frappe-bench/env/bin/activate \
       && python /home/frappe/frappe-bench/commands/auto_migrate.py
   fi
 
   . /home/frappe/frappe-bench/env/bin/activate
-  gunicorn -b 0.0.0.0:$FRAPPE_PORT \
+  gunicorn $LOAD_CONFIG_FILE -b 0.0.0.0:$FRAPPE_PORT \
     --worker-tmp-dir /dev/shm \
     --threads=4 \
     --workers $WORKERS \
-    --worker-class=gthread \
+    --worker-class=$WORKER_CLASS \
     --log-file=- \
     -t 120 frappe.app:application --preload
 

build/frappe-worker/Dockerfile

@@ -65,6 +65,8 @@ RUN mkdir -p apps logs commands sites /home/frappe/backups
 # Setup python environment
 RUN python -m venv env \
     && . env/bin/activate \
+    && pip3 install --upgrade pip \
+    && pip3 install gevent \
     && cd apps \
     && git clone --depth 1 -o upstream https://github.com/frappe/frappe --branch ${GIT_BRANCH} \
     && pip3 install --no-cache-dir -e /home/frappe/frappe-bench/apps/frappe