Refactor Dockerfile to use multi-stage builds for optimized image size and add HTTPS certificates

Author: PaulicStudios

Dockerfile

@@ -1,10 +1,22 @@
-FROM golang:latest
+# Build stage
+FROM golang:latest AS builder
 
 WORKDIR /app
 
 COPY . .
 
 RUN go mod download
-RUN go build -o /bridge_server
+RUN CGO_ENABLED=0 GOOS=linux go build -o /bridge_server
 
-CMD [ "/bridge_server" ]
+# Final stage
+FROM alpine:latest
+
+WORKDIR /app
+
+# Copy only the binary from the builder stage
+COPY --from=builder /bridge_server /app/bridge_server
+
+# Add necessary certificates for HTTPS
+RUN apk --no-cache add ca-certificates
+
+CMD [ "/app/bridge_server" ]