Additional gunicorn exec improvements

Makefile

@@ -1,8 +1,8 @@
 REGISTRY_NAME=registry.runcible.io
 FRONTEND_IMAGE_NAME=$(REGISTRY_NAME)/demo-helm-frontend
-FRONTEND_IMAGE_VERSION=1.3.0
+FRONTEND_IMAGE_VERSION=1.4.0-dev
 API_IMAGE_NAME=$(REGISTRY_NAME)/demo-helm-api
-API_IMAGE_VERSION=1.3.0
+API_IMAGE_VERSION=1.4.0-dev
 
 push-app-image: build-app-image
 	docker push $(FRONTEND_IMAGE_NAME):$(FRONTEND_IMAGE_VERSION)

api/.dockerignore

@@ -3,3 +3,4 @@ requirements.in
 tests/
 Dockerfile
 ./api/.env
+.git

api/Dockerfile

@@ -28,5 +28,4 @@ USER app
 
 ENTRYPOINT ["./entrypoint.sh"]
 
-CMD ["gunicorn", "--worker-tmp-dir", "/dev/shm", "--workers=2", "--log-level=-", "--threads=4", \
- "--worker-class", "gthread", "--bind", "0.0.0.0:5000", "wsgi:app"]
+CMD ["./bin/demo-helm-api"]

api/bin/demo-helm-api

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+# TODO add logic to always run from root api application directory
+
+API_LOG_LEVEL="${API_LOG_LEVEL:-info}"
+API_WORKER_CLASS="${API_WORKER_CLASS:-gthread}"
+API_WORKER_COUNT="${API_WORKER_COUNT:-2}"
+API_THREAD_COUNT="${API_THREAD_COUNT:-4}"
+
+if [ -f /.dockerenv ]; then
+    WORKER_TEMP_DIR="/dev/shm"
+else
+    WORKER_TEMP_DIR="/tmp"
+fi
+
+exec python3 -m gunicorn.app.wsgiapp --worker-tmp-dir "$WORKER_TEMP_DIR" --workers "$API_WORKER_COUNT" --access-logfile "-" \
+ --log-level "$API_LOG_LEVEL" --error-logfile "-" --threads "$API_THREAD_COUNT" \
+ --worker-class "$API_WORKER_CLASS" --bind 0.0.0.0:5000 wsgi:app

charts/demo-helm/values.yaml

@@ -3,10 +3,10 @@ image_pull_secret: regcred
 services:
   frontend:
     image_name: "registry.runcible.io/demo-helm-frontend"
-    image_version: "1.3.0"
+    image_version: "1.4.0"
     replicas: 1
   backend:
     image_name: "registry.runcible.io/demo-helm-api"
-    image_version: "1.3.0"
+    image_version: "1.4.0"
     replicas: 1
 random: "tis-random-default"