Dockerfile-grpc

# Use the official Golang image as the builder
FROM golang:1.23.4 AS builder

# Set the working directory inside the container
WORKDIR /app

# Copy Go modules manifest files and download dependencies
COPY go.mod go.sum ./
RUN go mod download

# Copy the entire project, including the grpcstart folder
COPY . .

# Build the application (referencing files inside grpcstart)
RUN go build -o grpcserver ./grpcstart

# Use an Ubuntu-based image that has GLIBC 2.34+
FROM ubuntu:22.04

# Set the working directory in the final container
WORKDIR /app

# Install necessary libraries (optional, if needed)
RUN apt update && apt install -y libstdc++6

# Copy the built binary from the builder stage
COPY --from=builder /app/grpcserver .

# Expose the gRPC server port
EXPOSE 50051

# Run the application
CMD ["./grpcserver"]