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emily-shenemily-shen
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switch from go container to js
1 parent 3b61c41 commit 6ab9042

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Lines changed: 55 additions & 95 deletions

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‎fixtures/container-app/Dockerfile‎

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# syntax=docker/dockerfile:1
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FROM node:22-alpine
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FROM golang:1.24 AS build
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# Set destination for COPY
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WORKDIR /app
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WORKDIR /usr/src/app
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RUN echo '{"name": "simple-node-app", "version": "1.0.0", "dependencies": {"ws": "^8.0.0"}}' > package.json
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RUN npm install
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# Download Go modules
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COPY container/go.mod container/go.sum ./
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RUN go mod download
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# Copy container src
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COPY container/*.go ./
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# Build
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RUN CGO_ENABLED=0 GOOS=linux go build -o /server
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FROM debian:latest
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COPY --from=build /server /server
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COPY ./container/simple-node-app.js app.js
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EXPOSE 8080
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# Run
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CMD ["/server"]
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CMD [ "node", "app.js" ]

‎fixtures/container-app/container/go.mod‎

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‎fixtures/container-app/container/go.sum‎

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‎fixtures/container-app/container/main.go‎

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‎fixtures/container-app/container/simple-node-app.js‎

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const { createServer } = require("http");
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const webSocketEnabled = process.env.WS_ENABLED === "true";
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// Create HTTP server
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const server = createServer(function (req, res) {
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if (req.url === "/ws") {
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// WebSocket upgrade will be handled by the WebSocket server
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return;
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}
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res.writeHead(200, { "Content-Type": "text/plain" });
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res.write("Hello World!");
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res.end();
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});
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// Check if WebSocket functionality is enabled
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if (webSocketEnabled) {
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const WebSocket = require("ws");
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// Create WebSocket server
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const wss = new WebSocket.Server({
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server: server,
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path: "/ws",
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});
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wss.on("connection", function connection(ws) {
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console.log("WebSocket connection established");
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ws.on("message", function message(data) {
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console.log("Received:", data.toString());
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// Echo the message back with prefix
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ws.send("Echo: " + data.toString());
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});
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ws.on("close", function close() {
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console.log("WebSocket connection closed");
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});
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ws.on("error", console.error);
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});
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}
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server.listen(8080, function () {
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console.log("Server listening on port 8080");
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if (webSocketEnabled) {
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console.log("WebSocket support enabled");
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}
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});

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