# Dockerfile for Matrix GPT Bot

# --- Build Stage ---
FROM golang:1.24-alpine AS builder

# Install git for module downloads
RUN apk add --no-cache git

WORKDIR /app

# Cache dependencies
COPY go.mod go.sum ./
RUN go mod download

# Copy the rest of the source
COPY . .

# Build the binary
RUN go build -o matrix-gpt-bot ./main.go

# --- Final Stage ---
FROM alpine:3.18

# Install CA certificates
RUN apk add --no-cache ca-certificates

WORKDIR /root/

# Copy the built binary from the builder stage
COPY --from=builder /app/matrix-gpt-bot .

# Define the entrypoint
ENTRYPOINT ["./matrix-gpt-bot"]