fix: Dockerfile now builds a usable image

Dockerfile

@@ -1,22 +1,23 @@
 # Start from a Go base image
-FROM golang:latest as builder
+FROM golang:alpine3.19 AS builder
 
 # Set the working directory
 WORKDIR /app
 
 # Copy the source code into the container
 COPY . .
+RUN go mod download 
 
 # Build the application
-RUN go build -o mybot .
+RUN CGO_ENABLED=0 GOOS=linux go build -o mybot .
 
 # Use a small base image
-FROM alpine:latest
+FROM alpine:edge
 
-WORKDIR /root/
+WORKDIR /app/
 
 # Copy the binary from the builder stage
-COPY --from=builder /app/mybot .
+COPY --from=builder /app/mybot /app/
 
 # Command to run the executable
 CMD ["./mybot"]