Try something

.github/workflows/dockerc.yml

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+on:
+  push:
+    branches: [main]
+
+env:
+  BRANCH: "main"
+  REGISTRY: "ghcr.io"
+  REGISTRY_IMAGE: "worldtimezone"
+
+jobs:
+  release-create:
+    permissions: write-all
+    runs-on: ubuntu-latest
+
+    outputs:
+      release: ${{ steps.release.outputs.release_tag }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - id: release
+        name: Create Release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          if [[ "${{ github.ref }}" == 'refs/heads/main' ]]; then
+            export GITHUB_OUTPUT=$GITHUB_OUTPUT
+            bash ./.github/workflows/release.sh "${{ env.BRANCH }}"
+          else
+            echo "release_tag=0.0.0" >> $GITHUB_OUTPUT
+          fi
+
+  release-linux-x64:
+    runs-on: ubuntu-latest
+    needs: [release-create]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+# docker
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Github registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY_IMAGE }}
+
+      - name: Build and push Docker image
+        id: docker_build
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          push: true
+
+# dockerc
+
+      - name: Download dockerc
+        run: curl -Lo dockerc https://github.com/NilsIrl/dockerc/releases/download/v0.3.2/dockerc_x86-64
+
+      - name: Give executable permissions to dockerc
+        run: chmod +x ./dockerc
+
+      - name: Create executable amd64
+        run: ./dockerc --image ghcr.io://worldtimezone:main -o worldtimezone_amd64 --arch amd64
+      - name: Create executable arm64
+        run: ./dockerc --image ghcr.io://worldtimezone:main -o worldtimezone_amd64 --arch arm64
+
+# upload
+
+      - name: Upload To Release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release upload ${{ needs.release-create.outputs.release }} "./worldtimezone_amd64"
+          gh release upload ${{ needs.release-create.outputs.release }} "./worldtimezone_arm64"

.github/workflows/release.sh

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+#!/bin/bash
+# Release script run in Github CI
+
+BRANCH="$1"
+
+LAST_TAG=$(git tag | sort -t '.' --numeric-sort -k1,1 -k2,2 -k3,3 | tail -n 1)
+LAST_TAG_MAJOR=$(echo "$LAST_TAG" | cut -d'.' -f1)
+LAST_TAG_MINOR=$(echo "$LAST_TAG" | cut -d'.' -f2)
+LAST_TAG_PATCH=$(echo "$LAST_TAG" | cut -d'.' -f3)
+
+git show --compact-summary "$LAST_TAG..HEAD" > CHANGELOG
+
+TAG_MAJOR=""
+TAG_MINOR=""
+TAG_PATCH=""
+
+WARNINGS=""
+
+if grep -q "^    MAJOR" CHANGELOG; then
+    TAG_MAJOR=$((LAST_TAG_MAJOR + 1))
+    TAG_MINOR="0"
+    TAG_PATCH="0"
+elif grep -q "^    MINOR" CHANGELOG; then
+    TAG_MAJOR=$((LAST_TAG_MAJOR + 0))
+    TAG_MINOR=$((LAST_TAG_MINOR + 1))
+    TAG_PATCH="0"
+elif grep -q "^    PATCH" CHANGELOG; then
+    TAG_MAJOR=$((LAST_TAG_MAJOR + 0))
+    TAG_MINOR=$((LAST_TAG_MINOR + 0))
+    TAG_PATCH=$((LAST_TAG_PATCH + 1))
+else
+    WARNINGS="$WARNINGS ; This release is created with default bump version because no commits was ok"
+    TAG_MAJOR=$((LAST_TAG_MAJOR + 0))
+    TAG_MINOR=$((LAST_TAG_MINOR + 0))
+    TAG_PATCH=$((LAST_TAG_PATCH + 1))
+fi
+
+TAG="$TAG_MAJOR.$TAG_MINOR.$TAG_PATCH"
+
+gh release create "$TAG"           \
+  --title "v$TAG"                  \
+  --generate-notes                 \
+  --target "$BRANCH"
+
+echo "release_tag=$TAG" >> $GITHUB_OUTPUT
+echo "$WARNINGS"

README.md

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+# WorldTimeZone
+
+Display what time is it for your friend in their timezone.
+
+## Usage
+
+### Binary
+
+Grab a binary for your platform in the latest release
+
+### Docker
+
+1. Build the [Dockerfile](./Dockerfile)
+2. Run it with `BOT_TOKEN` env variable set to your discord bot
+
+### If you have any issues, feel free to create an [issue](https://github.com/X-R-G-B/WorldTimeZone/issues)