mvp done

api/main.go

@@ -1,7 +1,62 @@
 package main
 
-import "fmt"
+import (
+    "bytes"
+    "fmt"
+    "time"
+    "encoding/json"
+    "net/http"
+    "io/ioutil"
+    "os/exec"
+    "strings"
+)
+
+type script struct {
+    Language string  `json:"language"`
+    Source   string  `json:"source"`
+}
+
+type result struct {
+    Ran    bool    `json:"ran"`
+    Output string  `json:"output"`
+}
 
 func main() {
-    fmt.Println("placeholder")
+    http.HandleFunc("/execute", Execute)
+
+    http.ListenAndServe("0.0.0.0:1337", nil)
+}
+
+func Execute(res http.ResponseWriter, req *http.Request) {
+    res.Header().Set("Content-Type", "application/json")
+
+    // get json
+    script := script{}
+    message := json.NewDecoder(req.Body)
+    message.Decode(&script)
+
+    // write the code to temp dir
+    filename := fmt.Sprintf("/tmp/%d.code", time.Now().UnixNano())
+
+    ioutil.WriteFile(filename, []byte(script.Source), 0644)
+
+    // set up the execution
+    cmd := exec.Command("../docker/execute", script.Language, filename)
+
+    // capture out/err
+    var stdout, stderr bytes.Buffer
+    cmd.Stdout = &stdout
+    cmd.Stderr = &stderr
+
+    err := cmd.Run()
+
+    // prepare response
+    data := result{
+        Ran: err == nil,
+        Output: strings.TrimSpace(stdout.String()),
+    }
+
+    response, _ := json.Marshal(data)
+
+    res.Write(response)
 }

api/start

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+go run main.go