82 lines
2.1 KiB
Docker
82 lines
2.1 KiB
Docker
# --- Stage 1: Frontend Builder ---
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FROM node:20-alpine AS frontend-builder
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WORKDIR /app/web
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# Copy web project files
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COPY web/package.json web/package-lock.json ./
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COPY web/tsconfig.json web/tsconfig.node.json web/tsconfig.app.json ./
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COPY web/vite.config.ts ./
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# Install dependencies
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RUN npm install
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# Copy the rest of the web source code
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COPY web/ ./
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# Build the frontend application
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RUN npm run build
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# --- Stage 2: Backend Builder ---
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FROM golang:1.22-alpine AS backend-builder
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WORKDIR /app
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# Install build tools
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RUN apk add --no-cache git build-base
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# Copy Go module files and download dependencies
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COPY go.mod go.sum ./
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RUN go mod download
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# Copy the entire Go project source code
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COPY . .
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# Copy the built frontend from the previous stage
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COPY --from=frontend-builder /app/web/dist ./web/dist
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# Build the Go application
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# We use CGO_ENABLED=0 to create a static binary
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# -ldflags="-w -s" strips debug information and symbols to reduce binary size
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RUN CGO_ENABLED=0 GOOS=linux go build \
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-ldflags="-w -s" \
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-o /gpt-load \
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./cmd/gpt-load
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# --- Stage 3: Final Image ---
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FROM alpine:latest
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# Install necessary runtime dependencies
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# ca-certificates for HTTPS connections
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# tzdata for time zone information
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RUN apk --no-cache add ca-certificates tzdata
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# Create a non-root user and group for security
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RUN addgroup -S appgroup && adduser -S appuser -G appgroup
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# Set the working directory
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WORKDIR /app
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# Copy the compiled binary from the backend-builder stage
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COPY --from=backend-builder /gpt-load .
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# Copy the configuration file example
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COPY .env.example .
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# Set ownership of the app directory to the non-root user
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RUN chown -R appuser:appgroup /app
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# Switch to the non-root user
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USER appuser
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# Expose the application port
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# This should match the port defined in the configuration
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EXPOSE 8080
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# Healthcheck to ensure the application is running
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HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
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CMD [ "wget", "-q", "--spider", "http://localhost:8080/health" ] || exit 1
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# Set the entrypoint for the container
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ENTRYPOINT ["/app/gpt-load"]
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