Begin dockerfile and create 404.html if not exists

dev/docker/images/production/Dockerfile

@@ -0,0 +1,11 @@
+FROM golang:alpine3.17 AS build
+WORKDIR /build
+COPY ./src ./src
+WORKDIR /build/src
+RUN ls
+RUN go get .
+RUN go build -o /build/static-hoster
+
+FROM alpine:3.17 AS final
+COPY --from=build /build/static-hoster /bin/static-hoster
+CMD static-hoster

src/envloader/envloader.go

@@ -28,7 +28,7 @@ func Load() (env *Environment) {
 	defaultApiKey := "test123"
 	env = new(Environment)
 	env.RootDir = envReader("STATIC_HOSTER_HOME", fmt.Sprintf("%s/static-hoster/", os.Getenv("HOME")))
-	env.StaticDir = envReader("STATIC_HOSTER_HOST_DIR", fmt.Sprintf("%s/hosted/", env.RootDir))
+	env.StaticDir = envReader("STATIC_HOSTER_HOST_DIR", fmt.Sprintf("%shosted/", env.RootDir))
 	env.Port = fmt.Sprintf(":%s", envReader("STATIC_HOSTER_PORT", "8080"))
 	env.ApiKey = envReader("STATIC_HOSTER_API_KEY", defaultApiKey)
 	env.BaseRoute = envReader("STATIC_HOSTER_BASE_ROUTE", "/home")

src/main.go

@@ -1,12 +1,19 @@
 package main
 
 import (
+	"errors"
+	"fmt"
+	"os"
+
 	"nikurasu.gay/static-hoster/envloader"
 	"nikurasu.gay/static-hoster/router"
 )
 
 func main() {
 	var env = envloader.Load()
+	if _, err := os.Stat(fmt.Sprintf("%s404.html", env.StaticDir)); errors.Is(err, os.ErrNotExist) {
+		os.Create(fmt.Sprintf("%s404.html", env.StaticDir))
+	}
 	r := router.Create(env)
 	r.Run(env.Port)
 }