[Bugfix] Expose port in Dockerfile and force IPv4 (#129)

* Exposes port on built image

* Forced IPv4

* Added current version to sidebar

config/runtime.exs

@@ -102,7 +102,7 @@ if config_env() == :prod do
       # Set it to  {0, 0, 0, 0, 0, 0, 0, 1} for local network only access.
       # See the documentation on https://hexdocs.pm/plug_cowboy/Plug.Cowboy.html
       # for details about using IPv6 vs IPv4 and loopback vs public addresses.
-      ip: {0, 0, 0, 0, 0, 0, 0, 0},
+      ip: {0, 0, 0, 0},
       port: String.to_integer(System.get_env("PORT") || "4000")
     ],
     secret_key_base: secret_key_base

lib/pinchflat_web/components/layouts/partials/sidebar.html.heex

@@ -57,6 +57,11 @@
             <.icon name="hero-currency-dollar" /> Donate
           </span>
         </li>
+        <li>
+          <span class="group relative flex items-center gap-2.5 px-4 py-2 text-sm">
+            v<%= Application.spec(:pinchflat)[:vsn] %>
+          </span>
+        </li>
       </ul>
     </nav>
   </section>

selfhosted.Dockerfile

@@ -75,6 +75,8 @@ RUN mix release
 # the compiled release and other runtime necessities
 FROM ${RUNNER_IMAGE}
 
+ARG PORT=8945
+
 RUN apt-get update -y
 RUN apt-get install -y libstdc++6 openssl libncurses5 locales ca-certificates \
   ffmpeg curl git openssh-client nano
@@ -101,8 +103,9 @@ RUN chown nobody /config /downloads
 
 # set runner ENV
 ENV MIX_ENV="prod"
-ENV PORT=8945
+ENV PORT=${PORT}
 ENV RUN_CONTEXT="selfhosted"
+EXPOSE ${PORT}
 
 # Only copy the final release from the build stage
 COPY --from=builder --chown=nobody:root /app/_build/${MIX_ENV}/rel/pinchflat ./