1  # Build stage
 2  FROM golang:1.24-alpine AS builder
 3  
 4  # Install dependencies
 5  RUN apk add --no-cache git
 6  
 7  # Set working directory
 8  WORKDIR /app
 9  
10  # Copy proxy-common first (dependency for replace directive)
11  COPY proxy-common /proxy-common
12  
13  # Copy go mod files
14  COPY go-proxy-cache/go.mod go-proxy-cache/go.sum ./
15  
16  # Download dependencies
17  RUN go mod download
18  
19  # Copy source code
20  COPY go-proxy-cache/ .
21  
22  # Build the application
23  RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o rpc-cache ./cmd/rpc-cache
24  
25  # Final stage
26  FROM alpine:latest
27  
28  # Install ca-certificates for HTTPS requests
29  RUN apk --no-cache add ca-certificates
30  
31  # Create app directory
32  WORKDIR /root/
33  
34  # Copy the binary from builder stage
35  COPY --from=builder /app/rpc-cache .
36  
37  # Create config directory
38  RUN mkdir -p /app
39  
40  # Copy config files
41  COPY go-proxy-cache/cache_config.yaml go-proxy-cache/cache_rules.yaml /app/
42  
43  # Expose port
44  EXPOSE 8080
45  
46  # Environment variables with defaults
47  ENV CACHE_CONFIG_FILE=/app/cache_config.yaml
48  ENV CACHE_RULES_FILE=/app/cache_rules.yaml
49  ENV CACHE_SERVER_ADDR=:8080
50  
51  # Run the binary
52  CMD ["./rpc-cache"]
53