Update Dockerfile

Dockerfile

@@ -1,24 +1,27 @@
+# Build stage
 FROM golang:1.22.3 as builder
 
-# Install Go if it's not already installed
-RUN if ! [ -x "$(command -v go)" ]; then echo "Installing Go..." && \
-    apk add --no-cache curl && \
-    curl -L "https://golang.org/dl/go1.21.linux-amd64.tar.gz" | tar -xz && \
-    mv go /usr/local && \
-    rm -rf /var/cache/apk/*; fi
-
 WORKDIR /app
 
-COPY . /app
+# Copy the source code into the container
+COPY . .
 
+# Build the Go app
 RUN go build -o main .
-RUN chmod +x /app/main
 
+# Ensure the binary has execute permissions
+RUN chmod +x main
+
+# Final stage
 FROM alpine:latest
 
 WORKDIR /app
 
-COPY --from=builder /app/main /app/
-RUN ls -l /app
-RUN pwd
-CMD ["./main"]
+# Copy the binary from the builder stage
+COPY --from=builder /app/main .
+
+# Ensure the binary has execute permissions (redundant but safe)
+RUN chmod +x main
+
+# Run the binary
+CMD ["./main"]