feat: Implement inventory service with stock reservation

docker-compose.yml

@@ -166,9 +166,13 @@ services:
     environment:
       - PORT=8085
       - DATABASE_URL=postgres://auron:auron_pass@products-db:5432/products_db?sslmode=disable
+      - REDIS_URL=redis://redis:6379/0
+      - KAFKA_BROKERS=kafka:29092
     depends_on:
       products-db:
         condition: service_healthy
+      kafka:
+        condition: service_healthy
     networks:
       - auron-network
     restart: unless-stopped

services/inventory-service/.env.example

@@ -0,0 +1,6 @@
+# Inventory Service
+PORT=8085
+DATABASE_URL=postgres://auron:auron_pass@localhost:5433/products_db?sslmode=disable
+REDIS_URL=redis://localhost:6379/0
+KAFKA_BROKERS=localhost:9092
+GORM_LOG_LEVEL=warn

services/inventory-service/Dockerfile

@@ -0,0 +1,23 @@
+FROM golang:1.25-alpine AS builder
+
+WORKDIR /app
+
+RUN apk add --no-cache git
+
+COPY go.mod go.sum ./
+
+COPY . .
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o /inventory-service .
+
+FROM alpine:3.18
+
+RUN apk add --no-cache ca-certificates curl
+
+WORKDIR /app
+
+COPY --from=builder /inventory-service .
+
+EXPOSE 8085
+
+CMD ["./inventory-service"]