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# Use the official Go image as a parent image
FROM golang:1.22 as builder
# Set the working directory inside the container
# Copy the go.mod and go.sum files
COPY go.* ./
# Download all dependencies. Dependencies will be cached if the go.mod and go.sum files are not changed
RUN go mod download
# Copy the source code into the container
COPY . .
# Build the application
RUN CGO_ENABLED=0 GOOS=linux go build -v -o btcpaychecker cmd/btcpaychecker/main.go
# Use the alpine image for a smaller footprint
FROM alpine:latest
RUN apk --no-cache add ca-certificates
WORKDIR /root/
# Copy the pre-built binary file from the previous stage
COPY --from=builder /app/btcpaychecker .
# Command to run the executable
CMD ["./btcpaychecker"]