fix: use bookworm base for blogpost; route receiver history via :18080

- blogpost: python:3.11-slim-bullseye is EOL (apt 404s), switch to bookworm
- utils/bashrc: host port 80 is taken by Traefik/Coolify, preexec posts to :18080
- ignore receiver .venv

.gitignore

@@ -7,4 +7,4 @@ receiver/lib
 receiver/lib64
 receiver/pyenv.cfg
 receiver/include
-receiver/pwntools-doc
+receiver/pwntools-docreceiver/.venv/

services/blogpost/Dockerfile

@@ -1,5 +1,7 @@
 # Dockerfile
-FROM python:3.11-slim-bullseye
+# python:3.11-slim-bookworm (Debian 12, supported) — bullseye is EOL and its
+# apt repos 404, so we build on the current stable slim image instead.
+FROM python:3.11-slim-bookworm
 
 # Build-time args
 ARG PASSWORD

utils/bashrc

@@ -1,2 +1,2 @@
 source /root/.preexec.sh
-preexec() { curl -s -X POST  -H 'Content-Type: application/json' -d "{\"log\": \"[$(date +'%Y-%m-%d %H:%M:%S')][$(hostname)] $1\"}" http://host.docker.internal/history > /dev/null; }
+preexec() { curl -s -X POST  -H 'Content-Type: application/json' -d "{\"log\": \"[$(date +'%Y-%m-%d %H:%M:%S')][$(hostname)] $1\"}" http://host.docker.internal:18080/history > /dev/null; }