Update Dockerfile to use Nx 21 build command and ensure entrypoint script is executable

Dockerfile

@@ -33,19 +33,20 @@ COPY ./nx.json nx.json
 COPY ./replace.build.mjs replace.build.mjs
 COPY ./tsconfig.base.json tsconfig.base.json
 
-RUN npm run build:production
+# Update build command for Nx 21
+RUN npx nx run-many --target=build --projects=api,client --configuration=production
 
 # Prepare the dist image with additional node_modules
 WORKDIR /ghostfolio/dist/apps/api
 # package.json was generated by the build process, however the original
-# package-lock.json needs to be used to ensure the same versions
+# package-lock.json needs to be used to ensure the same versions
 COPY ./package-lock.json /ghostfolio/dist/apps/api/package-lock.json
 
 RUN npm install
 COPY prisma /ghostfolio/dist/apps/api/prisma
 
 # Overwrite the generated package.json with the original one to ensure having
-# all the scripts
+# all the scripts
 COPY package.json /ghostfolio/dist/apps/api
 RUN npm run database:generate-typings
 
@@ -61,6 +62,8 @@ RUN apt-get update && apt-get install -y --no-install-suggests \
 
 COPY --chown=node:node --from=builder /ghostfolio/dist/apps /ghostfolio/apps
 COPY --chown=node:node ./docker/entrypoint.sh /ghostfolio/entrypoint.sh
+RUN chmod +x /ghostfolio/entrypoint.sh
+
 WORKDIR /ghostfolio/apps/api
 EXPOSE ${PORT:-3333}
 USER node