adds infra docker compose yaml

docker/infra.docker-compose.yml

@@ -0,0 +1,41 @@
+version: "3.9"
+
+services:
+  db:
+    image: postgres:11
+    environment:
+      - POSTGRES_DB=${POSTGRES_DB:-db}
+      - POSTGRES_USER=${POSTGRES_USER:-user}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-pass}
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    networks:
+      - mynetwork
+
+  redis:
+    image: "redis:alpine"
+    ports:
+      - "6379:6379"
+    networks:
+      - mynetwork
+
+  fluentd:
+    build:
+      context: ./fluentd
+      dockerfile: Dockerfile
+    image: fluent/fluentd:v1.12-debian-1
+    volumes:
+      - ./fluentd/fluentd.conf:/fluentd/etc/fluent.conf
+    ports:
+      - "24224:24224"
+      - "24224:24224/udp"
+    networks:
+      - mynetwork
+
+networks:
+  mynetwork:
+
+volumes:
+  postgres_data: