feat: add docker installation/setup

Dockerfile

@@ -0,0 +1,14 @@
+FROM golang:1.23
+
+WORKDIR /app
+
+# COPY go.mod go.sum ./
+COPY go.mod ./
+
+RUN go mod download
+
+COPY *.go ./
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o /abyss
+
+CMD ["/abyss"]

README.md

@@ -3,12 +3,27 @@ abyss is a basic http server made for uploading files (logs, images) and then sh
 
 note: this is a project made for learning purposes, you should use other more mature projects if running in production
 
+## table of contents
+- [running abyss](#running)
+    - [installing with docker](#docker)
+    - [installing manually](#manual)
+- [todo list](#todo)
+
 ## running:
-- edit consts in `main.go` to match your needs. (for example, on server, change `$url` so that the response will be nicely formatted)
+- change URL env variable in to your domain. example: `URL=paste.abyss.dev`
+### docker
+- to run with docker, you can use either docker compose or just straight docker.
+- then run the docker compose command:
+```bash
+docker compose up -d # might be docker-compose depending on distro
+```
+- dont change inside port of 8080 unless you know what you're doing
+
+### manual
 
-- to run it, either build with `go build -o abyss && ./abyss` or run it directly with:
+- to run it, either build with `go build -o abyss` or run it directly with:
 ```bash
-go run ./main.go
+URL="your-domain" go run ./main.go
 ```
 
 - then, simply upload your files with curl:
@@ -17,6 +32,6 @@ curl -X POST -F "file=@/path/to/file" http://localhost:8080/upload # default url
 ```
 ## todo:
 - [x] add upload of logs funcionality (like 0x0.st)
-- [ ] add docker easy setup
+- [x] add docker easy setup
 - [ ] add db for tracking of file names
 - [ ] add file browser (like file://)

docker-compose.yml

@@ -0,0 +1,7 @@
+services:
+  paste:
+    environment:
+      URL: "localhost:58080"
+    build: .
+    ports:
+      - "58080:8080"

main.go

@@ -10,11 +10,12 @@ import (
 )
 
 const (
-	url      = "localhost"
 	port     = ":8080"
 	filesDir = "./files"
 )
 
+var url string = os.Getenv("URL")
+
 func main() {
 	http.HandleFunc("/upload", uploadHandler)
 	http.Handle("/", http.StripPrefix("/", http.FileServer(http.Dir(filesDir))))
@@ -54,5 +55,9 @@ func uploadHandler(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "Error copying the file", http.StatusInternalServerError)
 	}
 
-	fmt.Fprintf(w, "http://%s%s/%d\n", url, port, time)
+	if url == "" {
+		fmt.Fprintf(w, "http://localhost%s/%d\n", port, time)
+	} else {
+		fmt.Fprintf(w, "http://%s/%d\n", url, time)
+	}
 }