chore: clean up dockerfile (#606)

Dockerfile

@@ -1,35 +1,46 @@
 # syntax=docker/dockerfile:1
 
 FROM node:22-alpine3.20 AS builder
-WORKDIR /build
-# install python etc so node-gyp works for the optional dependencies
+
+# install required depencencies for node-gyp
 RUN apk add --no-cache make gcc g++ python3
-# install pnpm to make dependency installation faster (because it has a lockfile)
+
 RUN npm install -g pnpm
-COPY package.json pnpm-lock.yaml ./
+
+WORKDIR /build
+
 COPY --link scripts scripts
 RUN chmod +x ./scripts/start.sh
-# install dependencies, CI=true to skip pre/postinstall scripts
+
+COPY package.json pnpm-lock.yaml ./
+
 RUN CI=true pnpm install --prod --frozen-lockfile
+
 COPY --link . .
 
 FROM node:22-alpine3.20 AS runner
-RUN apk --no-cache add curl \
-	&& adduser --disabled-password --home /home/container container \
-	&& mkdir /app \
+LABEL org.opencontainers.image.source=https://github.com/discord-tickets/bot \
+	org.opencontainers.image.description="The most popular open-source ticket bot for Discord." \
+	org.opencontainers.image.licenses="GPL-3.0-or-later"
+
+RUN apk --no-cache add curl
+
+RUN adduser --disabled-password --home /home/container container
+RUN mkdir /app \
 	&& chown container:container /app \
 	&& chmod -R 777 /app
+
 USER container
 ENV USER=container \
 	HOME=/home/container \
 	NODE_ENV=production \
 	HTTP_HOST=0.0.0.0 \
 	DOCKER=true
+
 WORKDIR /home/container
+
 COPY --from=builder --chown=container:container --chmod=777 /build /app
+
 ENTRYPOINT [ "/app/scripts/start.sh" ]
 HEALTHCHECK --interval=15s --timeout=5s --start-period=60s \
 	CMD curl -f http://localhost:${HTTP_PORT}/status || exit 1
-LABEL org.opencontainers.image.source=https://github.com/discord-tickets/bot \
-	org.opencontainers.image.description="The most popular open-source ticket bot for Discord." \
-	org.opencontainers.image.licenses="GPL-3.0-or-later"