Add setting of ingress (#300)

Dockerfile

@@ -1,5 +1,8 @@
 FROM ruby:2.4.4-alpine3.7
 
+ENV LANG C.UTF-8
+ENV BUNDLE_FORCE_RUBY_PLATFORM 1
+
 RUN apk update && apk upgrade && apk add --update --no-cache alpine-sdk tzdata postgresql-dev nodejs postgresql-client
 RUN mkdir /app
 WORKDIR /app

Gemfile

@@ -18,6 +18,8 @@ gem 'puma', '~> 3.7'
 
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
+# health check of Rails app
+gem "health_check"
 
 # Use Rack CORS for handling Cross-Origin Resource Sharing (CORS), making cross-origin AJAX possible
 gem 'rack-cors'

Gemfile.lock

@@ -106,6 +106,8 @@ GEM
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
     hashie (3.5.6)
+    health_check (3.0.0)
+      railties (>= 5.0)
     i18n (0.9.0)
       concurrent-ruby (~> 1.0)
     interception (0.5)
@@ -317,6 +319,7 @@ DEPENDENCIES
   faker
   forgery_ja
   guard-rspec
+  health_check
   listen (>= 3.0.5, < 3.2)
   omniauth-facebook
   omniauth-github
@@ -349,4 +352,4 @@ RUBY VERSION
    ruby 2.4.4p296
 
 BUNDLED WITH
-   1.16.1
+   1.16.5

config/routes.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 Rails.application.routes.draw do
+  health_check_routes
   mount_devise_token_auth_for 'User', at: 'auth'
   resources :communities, shallow: true, defaults: { format: 'json' } do
     resources :events do

docs/DEPLOY.md

@@ -42,7 +42,9 @@ $ kubectl create -f kubernetes/postgresql-service.yml
 $ export TEBUKURO_IMAGE=us.gcr.io/tebukuro-182304/tebukuro_backend:latest
 $ cat kubernetes/tebukuro.yml | envsubst | kubectl create -f -
 # create tebukuro service
-$ kubectl create -f kubernetes/nginx-service.yml
+$ kubectl create -f kubernetes/tebukuro-service.yml
+# create tebukuro ingress
+$ kubectl create -f kubernetes/ingress.yml
 ```
 
 ## Deploy(migrate) task

kubernetes/ingress.yml

@@ -0,0 +1,8 @@
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: tebukuro-ingress
+spec:
+  backend:
+    serviceName: tebukuro
+    servicePort: 3000

kubernetes/tebukuro-service.yml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: tebukuro
+  labels:
+    app: tebukuro
+spec:
+  type: NodePort
+  ports:
+    - port: 3000
+      targetPort: 3000
+      protocol: TCP
+  selector:
+    app: tebukuro

kubernetes/tebukuro.yml

@@ -14,9 +14,6 @@ spec:
       labels:
         app: tebukuro
     spec:
-      volumes:
-      - name: web-sock
-        emptyDir: {}
       containers:
         - image: $TEBUKURO_IMAGE
           name: tebukuro
@@ -55,17 +52,8 @@ spec:
           ports:
             - containerPort: 3000
               name: tebukuro
+          readinessProbe:
+            httpGet:
+              path: /health_check.json
+              port: 3000
           command: ["/app/script/wait.sh", "bundle", "exec", "rails", "s"]
-          volumeMounts:
-          - mountPath: /app/tmp/sockets
-            name: web-sock
-        - image: us.gcr.io/tebukuro-182304/nginx:0.0.1
-          name: nginx
-          ports:
-          - name: http-server
-            containerPort: 80
-          - name: https-server
-            containerPort: 443
-          volumeMounts:
-          - mountPath: /app/tmp/sockets
-            name: web-sock

script/deploy.sh

@@ -4,3 +4,9 @@ $(cd $(dirname ${BASH_SOURCE:-$0}); pwd)/migrate-job.sh
 cat kubernetes/tebukuro.yml | envsubst | kubectl apply -f -
 kubectl describe deployment tebukuro
 kubectl rollout status deployment/tebukuro
+
+kubectl apply -f kubernetes/tebukuro-service.yml
+kubectl describe service tebukuro
+
+kubectl apply -f kubernetes/ingress.yml
+kubectl describe ingress tebukuro-ingress