confetti-api/Dockerfile

# Use a multi-stage build to create a minimal Docker image

# Stage 1: Build the Go application
FROM golang:1.23-alpine as builder

# Set the working directory inside the container
WORKDIR /app

# Copy go.mod and go.sum files if you have them
COPY go.mod ./

# Download all dependencies
RUN go mod download

# Copy the source code into the container
COPY . .

# Build the Go application
RUN go build -o confetti-api main.go

# Stage 2: Create a minimal image with the application binary
FROM alpine:latest

# Set the working directory inside the container
WORKDIR /root/

# Copy the binary from the builder stage
COPY --from=builder /app/confetti-api .

# Expose port 8080 for the application
EXPOSE 8080

# Command to run the application
CMD ["./confetti-api"]