Dockerfile

# Build stage
FROM golang:1.23-alpine AS builder

WORKDIR /app

# Install dependencies
RUN apk add --no-cache git

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

# Copy source code
COPY . .

# Build the application
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o txn .

# Final stage
FROM alpine:3.19

WORKDIR /app

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

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

# Copy any static assets
COPY --from=builder /app/internal/ibbitot/index.html /app/internal/ibbitot/
COPY --from=builder /app/internal/ibbitot/admin.html /app/internal/ibbitot/
COPY --from=builder /app/internal/ibbitot/coffee-cup.png /app/internal/ibbitot/
COPY --from=builder /app/internal/tracker/server/index.html /app/internal/tracker/server/

# Create a non-root user and data directory
RUN adduser -D appuser && \
    mkdir -p /data && \
    chown -R appuser:appuser /data
USER appuser

# Expose port
EXPOSE 8080

# Command to run the application
CMD ["./txn"]