Clean up

.dockerignore

@@ -0,0 +1,6 @@
+.gitignore
+.dockerignore
+newt
+*.json
+README.md
+Makefile

Dockerfile

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+FROM golang:1.21.5-alpine AS builder
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+
+# Download all dependencies
+RUN go mod download
+
+# Copy the source code into the container
+COPY . .
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux go build -o /newt
+
+# Start a new stage from scratch
+FROM ubuntu:22.04 AS runner
+
+# Copy the pre-built binary file from the previous stage and the entrypoint script
+COPY --from=builder /newt /usr/local/bin/
+COPY entrypoint.sh /
+
+RUN chmod +x /entrypoint.sh
+
+# Copy the entrypoint script
+ENTRYPOINT ["/entrypoint.sh"]
+
+# Command to run the executable
+CMD ["newt"]

README.md

@@ -1 +1 @@
-# newt
+# Newt

entrypoint.sh

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+#!/bin/sh
+
+# Sample from https://github.com/traefik/traefik-library-image/blob/5070edb25b03cca6802d75d5037576c840f73fdd/v3.1/alpine/entrypoint.sh
+
+set -e
+
+# first arg is `-f` or `--some-option`
+if [ "${1#-}" != "$1" ]; then
+    set -- newt "$@"
+fi
+
+# if our command is a valid newt subcommand, let's invoke it through newt instead
+# (this allows for "docker run newt version", etc)
+if newt "$1" --help >/dev/null 2>&1
+then
+    set -- newt "$@"
+else
+    echo "= '$1' is not a newt command: assuming shell execution." 1>&2
+fi
+
+exec "$@"