Dockerized uwu

Signed-off-by: caramelpony <caramel@candyhorses.network>

Dockerfile

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+# Use an official Golang image as a builder
+FROM golang:1.20 as builder
+
+# Set environment variables
+ENV GO111MODULE=on \
+    CGO_ENABLED=0 \
+    GOOS=linux \
+    GOARCH=amd64
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy go.mod and go.sum first to leverage Docker cache
+COPY go.mod ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy the rest of the application code
+COPY . .
+
+# Build the Go application
+RUN go build -o whois-daemon main.go
+
+# Use a minimal base image to run the application
+FROM alpine:3.18
+
+# Install CA certificates for HTTPS
+RUN apk add --no-cache ca-certificates
+
+# Create a non-root user to run the app
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+
+# Set the working directory for the runtime container
+WORKDIR /app
+
+# Copy the built application from the builder stage
+COPY --from=builder /app/whois-daemon /app/
+
+# Copy the data directory
+COPY data /app/data
+
+# Set appropriate permissions for the app directory
+RUN chown -R appuser:appgroup /app
+
+# Switch to the non-root user
+USER appuser
+
+# Expose the port the daemon runs on, replace <port> with the actual port number
+EXPOSE 43
+
+# Define the entrypoint
+ENTRYPOINT ["/app/whois-daemon"]
+
+# Optional: Define the command
+CMD ["--help"]

go.mod

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+module main.go
+
+go 1.22.6