From 68fbcb15c15d390ba772d9d5254a8f922ff011da Mon Sep 17 00:00:00 2001
From: B4D_US3R <b4d_us3r@gmail.com>
Date: Thu, 8 Aug 2024 11:12:57 +0500
Subject: [PATCH] =?UTF-8?q?=D0=9F=D0=B5=D1=80=D0=B2=D1=8B=D0=B9=20=D0=B1?=
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---
 .gitignore         |  4 ++++
 Dockerfile         | 14 ++++++++++++++
 docker-compose.yml |  9 +++++++++
 main.go            | 43 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 70 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 docker-compose.yml
 create mode 100644 main.go

diff --git a/.gitignore b/.gitignore
index adf8f72..84159ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,7 @@
 # Go workspace file
 go.work
 
+#Images dir
+images/
+
+main
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..a248c9c
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,14 @@
+FROM golang:1.22-alpine
+
+WORKDIR /app
+
+VOLUME /app/images
+
+EXPOSE 3666
+
+COPY main.go ./
+
+RUN go build main.go
+
+CMD ["/app/main"]
+
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..6a4985d
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,9 @@
+version: "3"
+
+services:
+  picran:
+    build: .
+    ports:
+      - "3666:3666"
+    volumes:
+      - "./images:/app/images"
\ No newline at end of file
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..34c4ad8
--- /dev/null
+++ b/main.go
@@ -0,0 +1,43 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"math/rand"
+	"net/http"
+	"os"
+)
+
+func GetPicsArray() []string {
+	files, err := os.ReadDir("images")
+	if err != nil {
+		panic(err)
+	}
+	if len(files) == 0 {
+		return []string{"no images"}
+	}
+	var filesNames = make([]string, len(files))
+	for i, file := range files {
+		filesNames[i] = string(file.Name())
+	}
+	return filesNames
+}
+
+func GetRandImg() string {
+	picsArray := GetPicsArray()
+	return picsArray[rand.Intn(len(picsArray))]
+}
+
+func ReturnPic(w http.ResponseWriter, req *http.Request) {
+	picture, _ := os.Open(fmt.Sprintf("images/%v", GetRandImg()))
+	var pictureReader io.Reader = picture
+	io.Copy(w, pictureReader)
+	log.Println("Картинка отдана")
+}
+
+func main() {
+	log.Println("Server Start")
+	http.HandleFunc("/", ReturnPic)
+	http.ListenAndServe(":3666", nil)
+}