build: Build and publish a proper CLI tool with options, also packaged as a Docker image (#2)

* Renamed environment variables

* Moved MqttSettings to main.tsx

* Using Commander for CLI arguments

* PinoLogger

* Option for json log format

* Updated mysa-js-sdk to latest version

* Moved options to their own module

* Extracted session file management to the session module

* Added deviceId meta to thermostat instance logger

* Display version from package.json; added copyright

* Create README.md

* Build with tsup

* Update .gitignore

* Remove prepublishOnly npm script

* Distributed CLI executable is now working

* Update README.md

* Dockerfile

* Minify the build output

* Update README.md

* Create initial Github workflow

* Create release.config.mjs

* Read package version at run-time, not build-time

* Update README.md

* Create CONTRIBUTING.md

* WIP: docker CI job

* Trying multiple tags

* Enable docker build cache

* Testing the docker build cache

* Dockerfile: set npm version in final stage for better caching

* Testing docker build cache

* Moved VERSION arg to the final build stage

* Finalized the `docker` build job

* Added copyright header to all source files

* Specify radix when parsing integer options

Dockerfile

@@ -0,0 +1,53 @@
+################################################################################
+# Builder stage
+FROM node:22-alpine AS builder
+
+WORKDIR /app
+
+# Copy package files and install all dependencies for building
+COPY package*.json ./
+RUN npm ci --ignore-scripts
+
+# Copy source code and build
+COPY src ./src
+COPY tsconfig.json .
+COPY tsup.config.cjs .
+
+RUN npm run build
+
+################################################################################
+# Final stage
+FROM node:22-alpine AS final
+
+ARG VERSION
+
+# Metadata
+LABEL maintainer="Pascal Bourque <pascal@cosmos.moi>"
+LABEL description="Expose Mysa smart thermostats to home automation platforms via MQTT."
+LABEL org.opencontainers.image.source="https://github.com/bourquep/mysa2mqtt"
+LABEL org.opencontainers.image.description="Expose Mysa smart thermostats to home automation platforms via MQTT"
+LABEL org.opencontainers.image.licenses="MIT"
+
+# Install security updates
+RUN apk --no-cache upgrade
+
+WORKDIR /app
+
+# Create non-root user
+RUN addgroup -g 1001 -S nodejs && \
+  adduser -S mysa2mqtt -u 1001
+
+# Copy package files and install production dependencies only
+COPY --from=builder /app/package*.json ./
+RUN npm version ${VERSION} --no-git-tag-version && \
+  npm ci --only=production --ignore-scripts && \
+  npm cache clean --force
+
+# Copy built application
+COPY --from=builder /app/dist ./dist
+
+# Change ownership to non-root user
+RUN chown -R mysa2mqtt:nodejs /app
+USER mysa2mqtt
+
+ENTRYPOINT ["node", "dist/main.js"]