# --- 阶段 1: 构建 ---
FROM golang:1.21-alpine AS builder
WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 go build -o /app/server .

# --- 阶段 2: 生产 ---
FROM gcr.io/distroless/static-debian12
COPY --from=builder /app/server /server
EXPOSE 8080
CMD ["/server"]

name = "my-container-worker"
main = "src/index.ts"
compatibility_date = "2024-06-20"

[[containers]]
class_name = "MyContainer"
image = "./container/Dockerfile"

[[durable_objects.bindings]]
name = "MY_CONTAINER"
class_name = "MyContainer"

[[migrations]]
tag = "v1"
new_sqlite_classes = ["MyContainer"]

import { Container, getRandom } from '@cloudflare/containers';

export class MyContainer extends Container {
    defaultPort = 8080;
    sleepAfter = '10s';
    envVars = {
        MESSAGE: 'I was passed in via the Container class!',
    };
    override onStart() {
        console.log('Go container successfully started!');
    }
}

export default {
    async fetch(request: Request, env: Env): Promise {
        const url = new URL(request.url);
        if (url.pathname.startsWith('/container')) {
            const id = env.MY_CONTAINER.idFromName(url.pathname);
            const container = env.MY_CONTAINER.get(id);
            return await container.fetch(request);
        } else if (url.pathname.startsWith('/lb')) {
            const container = await getRandom(env.MY_CONTAINER, 3);
            return await container.fetch(request);
        }
        return new Response('Welcome! Try /container/some-id or /lb');
    },
};

interface Env {
    MY_CONTAINER: DurableObjectNamespace;
}