Dockerfile

# Build stage
FROM golang:1.26-alpine AS builder

# Accept version as build argument
ARG VERSION=dev

WORKDIR /app

# Copy go mod and sum files
COPY go.mod go.sum ./
RUN go mod download

# Copy source code
COPY . .

# Build the application with version information
RUN CGO_ENABLED=0 GOOS=linux go build \
    -ldflags="-s -w -X github.com/j75689/goscraper/cmd/goscraper/cmd.Version=${VERSION}" \
    -o goscraper cmd/goscraper/main.go

# Final stage
FROM alpine:latest

# Create a non-root user
RUN adduser -u 10001 -D appuser

WORKDIR /app

# Install certificates for HTTPS requests
RUN apk --no-cache add ca-certificates

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

# Change the ownership of the binary to the appuser
RUN chown appuser:appuser /app/goscraper

# Switch to the appuser
USER appuser

# Run the application
ENTRYPOINT ["./goscraper"]