fix(docker): runtime error

Dockerfile

@@ -2,8 +2,9 @@ FROM golang:1.21 AS builder
 RUN apt-get update && apt-get upgrade -y && apt-get install build-essential -y
 WORKDIR /app
 COPY . .
-RUN CGO_ENABLED=0 GOOS=`go env GOHOSTOS` GOARCH=`go env GOHOSTARCH` go build ./cmd/fsb/ -o out/fsb -ldflags="-w -s" .
+RUN CGO_ENABLED=0 go build -o /app/fsb -ldflags="-w -s" ./cmd/fsb
 
-FROM golang:1.21
-COPY --from=builder /app/out/fsb /app/fsb
-CMD ["/app/fsb"]
+FROM scratch
+COPY --from=builder /app/fsb /app/fsb
+EXPOSE ${PORT}
+ENTRYPOINT ["/app/fsb"]

docker-compose.yaml

@@ -5,10 +5,11 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
-    restart: always
     container_name: fsb
+    restart: always
     volumes:
-      - ./:/app/:rw
-    env_file: fsb.env
+      - ./logs:/app/logs
+    env_file:
+      - fsb.env
     ports:
-      - 8080:8080
+      - "${PORT:-8038}:${PORT:-8038}"