compose and K8s file cleanup (#273)

docker-compose.yml

@@ -9,7 +9,13 @@ services:
     command: python app.py
     depends_on:
       redis:
-        condition: service_healthy 
+        condition: service_healthy
+    healthcheck: 
+      test: ["CMD", "curl", "-f", "http://localhost"]
+      interval: 15s
+      timeout: 5s
+      retries: 3
+      start_period: 10s
     volumes:
      - ./vote:/app
     ports:
@@ -46,7 +52,7 @@ services:
       - back-tier
 
   redis:
-    image: redis:5.0-alpine3.10
+    image: redis:alpine
     volumes:
       - "./healthchecks:/healthchecks"
     healthcheck:
@@ -57,7 +63,7 @@ services:
       - back-tier
 
   db:
-    image: postgres:9.4
+    image: postgres:15-alpine
     environment:
       POSTGRES_USER: "postgres"
       POSTGRES_PASSWORD: "postgres"
@@ -70,6 +76,19 @@ services:
     networks:
       - back-tier
 
+  # this service runs once to seed the database with votes
+  # it won't run unless you specify the "seed" profile
+  # docker compose --profile seed up -d
+  seed:
+    build: ./seed-data
+    profiles: ["seed"]
+    depends_on:
+      vote:
+        condition: service_healthy 
+    networks:
+      - front-tier
+    restart: "no"
+
 volumes:
   db-data: