Updated reverse-proxy base image and Dockerfile

Author: rgaudin

reverse-proxy/Dockerfile

@@ -1,23 +1,23 @@
-FROM caddy:2.9.1-alpine
-LABEL org.opencontainers.image.source https://github.com/offspot/container-images
+FROM docker.io/library/caddy:2.10-alpine
+LABEL org.opencontainers.image.source=https://github.com/offspot/container-images
 
 RUN \
     # openssl required to generate cert when CAPTIVE_PORTAL is on
     apk add --no-cache dumb-init python3 \
     && python3 -m venv /usr/local/proxy-env \
     && /usr/local/proxy-env/bin/pip3 install --no-cache-dir -U pip \
-    && /usr/local/proxy-env/bin/pip3 install --no-cache-dir Jinja2==3.1.2
+    && /usr/local/proxy-env/bin/pip3 install --no-cache-dir Jinja2==3.1.6
 
 COPY Caddyfile /etc/caddy/
 COPY gen-caddyfile.py /src/
 
-ENV FQDN "generic.hotspot"
-ENV WELCOME_FQDN "goto.generic.hotspot"
-ENV METRICS_LOGS_DIR "/var/log/metrics"
+ENV FQDN="generic.hotspot"
+ENV WELCOME_FQDN="goto.generic.hotspot"
+ENV METRICS_LOGS_DIR="/var/log/metrics"
 # set this when using reverse proxy in online demo to trigger real SSL certs usage
-ENV IS_ONLINE_DEMO ""
+ENV IS_ONLINE_DEMO=""
 # read SSL certs require an email address to send expiration notice to
-ENV DEMO_TLS_EMAIL "dev@kiwix.org"
+ENV DEMO_TLS_EMAIL="dev@kiwix.org"
 
 # store python bytecode in image
 RUN /usr/local/proxy-env/bin/python3 -m compileall /src/gen-caddyfile.py && mv /src/__pycache__/*.pyc /usr/local/lib/