Prise en compte des commentaires de Quentin

Dockerfile

 FROM debian:buster
 
+ARG LUFI_BUILD_VERSION=0.04.6
+
+ARG TINI_BUILD_VERSION=v0.18.0
+
 RUN apt-get update \
-&& apt-get -yq install build-essential libssl-dev libio-socket-ssl-perl liblwp-protocol-https-perl libpq-dev git \
-&& cpan -a && cpan Carton \
-&& git clone https://framagit.org/fiat-tux/hat-softwares/lufi.git /lufi
+&& apt-get -yq install build-essential libssl-dev libio-socket-ssl-perl liblwp-protocol-https-perl libpq-dev wget unzip \
+&& apt-get clean && cpan Carton \
+&& wget https://github.com/ldidry/lufi/archive/${LUFI_BUILD_VERSION}.zip && unzip ${LUFI_BUILD_VERSION}.zip \
+&& wget https://github.com/krallin/tini/releases/download/${TINI_BUILD_VERSION}/tini-amd64 && mv tini-amd64 tini \
+&& rm ${LUFI_BUILD_VERSION}.zip && mv lufi-${LUFI_BUILD_VERSION} lufi
 
 COPY lufi.conf /lufi/lufi.conf
 
 WORKDIR /lufi
 
-RUN carton install --deployment --without=test --without=sqlite --without=mysql
-
-VOLUME /lufi/data /lufi/files
+RUN carton install --deployment --without=test --without=sqlite --without=mysql && chmod +x /tini
 
-ADD tini /tini
-
-RUN chmod +x /tini
 ENTRYPOINT ["/tini", "--"]
 
-EXPOSE 8081
-
 CMD ["carton", "exec", "hypnotoad", "-f", "/lufi/script/lufi"]

docker-compose.yml

 version: '3'
 services:
   lufidb:
-    image: postgres
+    image: postgres:12
     container_name: lufidb
     restart: always
-    networks:
-      - lufi
-    environment:
-      - POSTGRES_PASSWORD=passwd
-      - POSTGRES_USER=lufidb
+    env_file: lufi.secrets
     volumes:
       - /var/lib/postgresql/data
   lufi:
@@ -18,12 +14,6 @@ services:
       - lufidb
     ports:
       - 8081:8081
-    networks:
-      - lufi
     volumes:
       - /lufi/data
       - /lufi/files
-
-networks:
-  lufi:
-    external: true

lufi.conf

@@ -10,7 +10,7 @@
         listen => ['http://0.0.0.0:8081'],
         # if you use Lufi behind a reverse proxy like Nginx, you want to set proxy to 1
         # if you use Lufi directly, let it commented
-        #proxy  => 1,
+        proxy  => 1,
 
         # Please read http://mojolicious.org/perldoc/Mojo/Server/Hypnotoad#workers
         # to adjust this to your server

lufi.secrets

+POSTGRES_PASSWORD = passwd,
+