Websocket requirenment is added

16.0/Dockerfile

@@ -1,5 +1,4 @@
 FROM debian:bullseye-slim
-MAINTAINER Odoo S.A. <[email protected]>
 
 SHELL ["/bin/bash", "-xo", "pipefail", "-c"]
 
@@ -8,7 +7,7 @@ ENV LANG C.UTF-8
 
 # Install some deps, lessc and less-plugin-clean-css, and wkhtmltopdf
 RUN apt-get update && \
-    apt-get install -y \
+    apt-get install --no-install-recommends -y \
         ca-certificates \
         curl \
         dirmngr \
@@ -33,7 +32,7 @@ RUN apt-get update && \
         xz-utils \
     && curl -o wkhtmltox.deb -sSL https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.5/wkhtmltox_0.12.5-1.buster_amd64.deb \
     && echo 'ea8277df4297afc507c61122f3c349af142f31e5 wkhtmltox.deb' | sha1sum -c - \
-    && apt-get install -y ./wkhtmltox.deb \
+    && apt-get install --no-install-recommends -y ./wkhtmltox.deb \
     && rm -rf /var/lib/apt/lists/* wkhtmltox.deb
 
 # install latest postgresql-client
@@ -58,7 +57,7 @@ ENV ODOO_VERSION 16.0
 ARG ODOO_RELEASE=20230109
 ARG ODOO_SHA=884bf72c7318835b9ac56be2594032cbba7b8c7b
 RUN apt-get update \
-    && apt-get install -y \
+    && apt-get install --no-install-recommends -y \
         adduser \
         fonts-dejavu-core \
         fonts-freefont-ttf \
@@ -102,6 +101,7 @@ RUN apt-get update \
         python3-xlrd \
         python3-zeep \
         python3-ldap \
+        python3-gevent \
     && rm -rf \
         /var/lib/apt/lists/*