Use prebuilt dockerize/dumbinit docker images

backend/Dockerfile

@@ -8,18 +8,10 @@ RUN npm install \
     && npm run build
 
 # Stage 2: Create the final image without source files
-FROM node:20
+FROM ghcr.io/ticketz-oss/node
 
 WORKDIR /usr/src/app
 
-# Install dumb-init and dockerize
-ENV DOCKERIZE_VERSION v0.7.0
-RUN wget -O /usr/local/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.5/dumb-init_1.2.5_$(uname -m) \
-    && chmod +x /usr/local/bin/dumb-init \
-    && wget -O /usr/local/bin/dockerize.tar.gz https://github.com/jwilder/dockerize/releases/download/$DOCKERIZE_VERSION/dockerize-linux-$(dpkg --print-architecture)-${DOCKERIZE_VERSION}.tar.gz \
-    && tar -C /usr/local/bin -xzvf /usr/local/bin/dockerize.tar.gz \
-    && rm /usr/local/bin/dockerize.tar.gz
-
 # Copy only the necessary build artifacts from the build stage
 COPY --from=build /usr/src/app/dist ./dist
 COPY --from=build /usr/src/app/node_modules ./node_modules

frontend/Dockerfile

@@ -9,20 +9,10 @@ RUN    npm install \
     && echo -e "\n\nBulding...\n" \
     && npm run build
 
-FROM nginx:alpine
-
-ENV DOCKERIZE_VERSION v0.7.0
-RUN    wget -O /usr/local/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.5/dumb-init_1.2.5_$(uname -m) \
-    && chmod +x /usr/local/bin/dumb-init \
-    && LARCH=$(if [ "$(uname -m)" == "aarch64" ] ; then echo "arm64" ; elif [ "$(uname -m)" == "x86_64" ] ; then echo "amd64" ; else uname -m ; fi) \
-    && wget -O /usr/local/bin/dockerize.tar.gz https://github.com/jwilder/dockerize/releases/download/$DOCKERIZE_VERSION/dockerize-linux-${LARCH}-${DOCKERIZE_VERSION}.tar.gz \
-    && tar -C /usr/local/bin -xzvf /usr/local/bin/dockerize.tar.gz \
-    && rm /usr/local/bin/dockerize.tar.gz
+FROM ghcr.io/ticketz-oss/nginx-alpine
 
 WORKDIR /usr/share/nginx/html
 
-RUN rm -rf /usr/share/nginx/html/*
-
 COPY --from=build-deps /usr/src/app/build /var/www/public
 COPY --from=build-deps /usr/src/app/node_modules/@socket.io/admin-ui/ui/dist /var/www/public/socket-admin
 COPY nginx /etc/nginx