Add Dockerfile

Dockerfile

@@ -0,0 +1,20 @@
+FROM golang:1.23.4-alpine
+
+WORKDIR /app
+
+COPY go.mod .
+COPY go.sum .
+RUN go mod download
+
+COPY *.go .
+COPY store/*.go store/
+COPY schema.sql .
+RUN go build -o clidle .
+
+FROM scratch
+
+COPY --from=0 /app/clidle .
+
+ENV CLICOLOR_FORCE=1
+ENV CLIDLE_DATA_DIR=/opt/clidle/data
+CMD ["./clidle", "-serve", "0.0.0.0:22"]

main.go

@@ -27,9 +27,9 @@ import (
 var (
 	// pathClidle is the path to the local data directory.
 	// This is usually set to ~/.local/share/clidle on most UNIX systems.
-	pathClidle  = filepath.Join(xdg.DataHome, "clidle")
-	pathStore   = filepath.Join(pathClidle, "clidle.db")
-	pathHostKey = filepath.Join(pathClidle, "hostkey")
+	pathClidle  string
+	pathStore   string
+	pathHostKey string
 
 	//go:embed schema.sql
 	schemaSQL string
@@ -41,6 +41,16 @@ var (
 	}
 )
 
+func init() {
+	pathClidle = os.Getenv("CLIDLE_DATA_DIR")
+	if pathClidle == "" {
+		pathClidle = filepath.Join(xdg.DataHome, "clidle")
+	}
+
+	pathStore = filepath.Join(pathClidle, "clidle.db")
+	pathHostKey = filepath.Join(pathClidle, "hostkey")
+}
+
 func main() {
 	flagServe := flag.String("serve", "", "Spawns an SSH server on the given address (format: 0.0.0.0:1337)")
 	flag.Parse()