Update Docker image names and build process to align with project requirements and conventions.

.github/workflows/docker-image-release.yml

@@ -44,9 +44,10 @@ jobs:
       # Build and tag Docker image
       - name: Build Docker image
         run: |
-          docker build -t ${{ secrets.DOCKER_USERNAME }}/donetick:${{ github.sha }} .
+          docker build -t ${{ secrets.DOCKER_USERNAME }}/my-go-app:${{ github.sha }} .
 
       # Push Docker image
       - name: Push Docker image
         run: |
           docker push ${{ secrets.DOCKER_USERNAME }}/donetick:${{ github.sha }}
+          docker push ${{ secrets.DOCKER_USERNAME }}/donetick:latest

Dockerfile

@@ -7,7 +7,7 @@ COPY go.mod go.sum ./
 RUN go mod download && go mod verify
 
 COPY . .
-RUN CGO_ENABLED=1 GOOS=linux go build -ldflags="-s -w " -buildvcs=false  -o /donetick-core
-
-EXPOSE 8080
-CMD ["donetick-core"]
+RUN CGO_ENABLED=1 GOOS=linux go build -ldflags="-s -w " -buildvcs=false  -o /donetick
+ENV DT_ENV="selfhosted"
+EXPOSE 2021 
+CMD ["donetick"]