Draft: Resolve "Add Dockerfile"

Closes #144

Dockerfile

+# Dockerfile used to configure and deploy the site de don
+
+# Use PHP image
+FROM php:8.1
+
+# Use PHP's composer 
+COPY --from=composer /usr/bin/composer /usr/bin/composer
+
+# Use pSQL image
+COPY --from=postgres /usr/bin/postgres /usr/bin/postgres
+
+#
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