所以我目前正在使用 gin-gonic 包在 go 中构建一个 restful api。我希望将代码部署到谷歌云平台计算引擎 VM。当我在我的本地机器上运行代码时,它使用本地主机工作,但是当在指定外部 IP 的实际 VM 实例上运行它时,我收到 TCP 连接的绑定错误。任何帮助表示赞赏。
服务器.go
package main
import (
"encoding/json"
"io/ioutil"
"net/http"
"os"
"github.com/gin-gonic/gin"
)
type headlines struct {
Author string
Title string
Description string
Url string
UrlToImage string
PublishedAt string
Content string
}
type NewsResponse struct {
Status string
TotalResults int
Articles []headlines
}
func GetSourceHeadlines(source string) NewsResponse {
newsAPIKey := os.Getenv("NEWS_API_KEY")
var newsResponse NewsResponse
resp, err := http.Get("https://newsapi.org/v2/top-headlines?sources=" + source + "&apiKey=" + newsAPIKey)
if err != nil {
panic(err)
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusOK {
bodyBytes, _ := ioutil.ReadAll(resp.Body)
err := json.Unmarshal(bodyBytes, &newsResponse)
if err == nil {
return newsResponse
}
}
return newsResponse
}
func main() {
r := gin.Default()
r.GET("/headlines/ign", func(c *gin.Context) {
c.JSON(http.StatusOK, GetSourceHeadlines("ign"))
})
r.GET("/headlines/polygon", func(c *gin.Context) {
c.JSON(http.StatusOK, GetSourceHeadlines("polygon"))
})
r.GET("/headlines/techcrunch", func(c *gin.Context) {
c.JSON(http.StatusOK, GetSourceHeadlines("techcrunch"))
})
r.GET("/headlines/hacker-news", func(c *gin.Context) {
c.JSON(http.StatusOK, GetSourceHeadlines("hacker-news"))
})
r.Run("35.237.89.107:8080")
}
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