feat: add docker

Dockerfile

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+FROM golang:1.26-alpine AS builder
+WORKDIR /app
+COPY go.mod go.sum ./
+COPY vendor/ ./vendor/
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -mod=vendor -o /app/media-service ./cmd/main.go
+
+FROM alpine:3.21 AS runner
+WORKDIR /app
+ENV APP_ENV=production
+COPY --from=builder /app/media-service .
+CMD ["./media-service"]

compose.yml

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+name: teacinema
+services:
+  media-service:
+    image: teacinema/media-service:dev
+    container_name: teacinema-media-service
+    build:
+      context: .
+      dockerfile: Dockerfile
+    restart: always
+    env_file:
+      - .env.production.local
+    ports:
+      - '50059:50059'
+      - '4200:4200'
+    networks:
+      - teacinema
+
+networks:
+  teacinema:
+    external: true