Add Docker Build Support

Blog posts with 'draft: true' in the frontmatter are excluded from the production artifact
--no-cache docker builds ensure fresh database build each time. Caching isn't needed do to small size anyway

.dockerignore

@@ -0,0 +1,15 @@
+node_modules
+.git
+.gitignore
+README.md
+LICENSE
+.vscode
+.idea
+.env
+.editorconfig
+coverage*
+dist
+*.log
+blog.sqlite
+Dockerfile*
+docker-compose*