feat: add openapi design doc

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17.11-alpine3.16
+FROM golang:1.18.3-alpine3.16
 
 ENV APP_ROOT /opt/sfu
 
@@ -7,7 +7,8 @@ WORKDIR "$APP_ROOT"
 
 COPY go.mod .
 COPY main.go .
+COPY logger.go .
 
 RUN go build \
-    && rm -r go.mod main.go
+    && rm -r go.mod *.go
 ENTRYPOINT [ "/bin/sh", "-c", "$APP_ROOT/main"]

docker-compose.yml

@@ -4,7 +4,15 @@ services:
   app:
     build:
       context: .
-    ports:
+    volumes:
-      - "8080:80"
+      - "${PWD}/files:${SFU_FILES_DIR},z"
     env_file: 
       - .env
+  
+  proxy:
+    image: caddy
+    volumes:
+      - ./Caddyfile:/etc/caddy/Caddyfile
+      - ./design:/usr/share/caddy/www/design
+    ports:
+      - '8080:80'

go.mod

@@ -1,3 +1,3 @@
 module main
 
-go 1.17
+go 1.18

main.go

@@ -4,15 +4,12 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
-	"log"
 	"net/http"
 	"os"
 )
 
-var Info = log.New(os.Stdout, "\u001b[34mINFO: \u001B[0m", log.LstdFlags|log.Lshortfile)
+var SFU_FILES_DIR string = get_envvar_or_fatal("SFU_FILES_DIR")
-var Warning = log.New(os.Stdout, "\u001b[33mWARNING: \u001B[0m", log.LstdFlags|log.Lshortfile)
+var SFU_PORT string = get_envvar_or_fatal("SFU_PORT")
-var Error = log.New(os.Stdout, "\u001b[31mERROR: \u001b[0m", log.LstdFlags|log.Lshortfile)
-var Debug = log.New(os.Stdout, "\u001b[36mDEBUG: \u001B[0m", log.LstdFlags|log.Lshortfile)
 
 func upload_file(w http.ResponseWriter, req *http.Request) {
 	file, fileHeader, err := req.FormFile("file")
@@ -21,19 +18,19 @@ func upload_file(w http.ResponseWriter, req *http.Request) {
 	}
 	defer file.Close()
 
-	f, err := os.OpenFile(fmt.Sprintf("%v/%v", get_envvar_or_fatal("SFU_FILES_DIR"), fileHeader.Filename), os.O_WRONLY|os.O_CREATE, 0666)
+	f, err := os.OpenFile(fmt.Sprintf("%v/%v", SFU_FILES_DIR, fileHeader.Filename), os.O_WRONLY|os.O_CREATE, 0666)
 	defer f.Close()
 	io.Copy(f, file)
+	w.WriteHeader(http.StatusCreated)
 }
 
 func list_uploaded_files(w http.ResponseWriter, req *http.Request) {
-	files_dir := get_envvar_or_fatal("SFU_FILES_DIR")
+	Info.Println(fmt.Sprintf("server: will list uploaded files on %v", SFU_FILES_DIR))
-	Info.Println(fmt.Sprintf("server: will list uploaded files on %v", files_dir))
+	files, err := ioutil.ReadDir(SFU_FILES_DIR)
-	files, err := ioutil.ReadDir(files_dir)
 	if err != nil {
-		Warning.Println(fmt.Sprintf("%v does not exist", files_dir))
+		Warning.Println(fmt.Sprintf("%v does not exist", SFU_FILES_DIR))
-		Info.Println(fmt.Sprintf("will create %v", files_dir))
+		Info.Println(fmt.Sprintf("will create %v", SFU_FILES_DIR))
-		_ = os.Mkdir(files_dir, os.ModePerm)
+		_ = os.Mkdir(SFU_FILES_DIR, os.ModePerm)
 	}
 	for _, f := range files {
 		fmt.Fprintf(w, "%v\n", f.Name())
@@ -71,7 +68,7 @@ func main() {
 			Error.Println(fmt.Sprintf("will return %v", http.StatusMethodNotAllowed))
 		}
 	})
-	port := fmt.Sprintf(":%v", get_envvar_or_fatal("SFU_PORT"))
+	port := fmt.Sprintf(":%v", SFU_PORT)
 	Info.Println(fmt.Sprintf("running SFU on port %v", port))
 	err := http.ListenAndServe(port, nil)
 	if err != nil {