diff --git a/containers/docker/Dockerfile b/containers/docker/Dockerfile
index 69f8a77e10b..0616166872f 100644
--- a/containers/docker/Dockerfile
+++ b/containers/docker/Dockerfile
@@ -46,8 +46,8 @@ ENV DATABASE_URL=sqlite3:db/db.sqlite3
 # For those self-hosting this app, you should
 # generate your own secret_key_base and set it
 # in your environment.
-# 1. Generate a secret_key_base with:
-#    bundle exec rake secret
+# 1. Generate a secret_key_base value with:
+#    bundle exec rails secret
 # 2. Set the secret_key_base in your environment:
 #    SECRET_KEY_BASE=<value>
 ENV SECRET_KEY_BASE=662e5f1c1f71b78c6fc0455cf72b590aefc7e924bbe356556c8dacd18fa0c6a5d7d4908afc7627bd1d6cb5ce95b610eeb64f538079d1fe07ef3d73b43ac0f8b0
@@ -92,6 +92,16 @@ ENV APP_ROOT=/opt/PasswordPusher
 WORKDIR ${APP_ROOT}
 ENV RACK_ENV=production RAILS_ENV=production
 
+# Set a default secret_key_base
+# For those self-hosting this app, you should
+# generate your own secret_key_base and set it
+# in your environment.
+# 1. Generate a secret_key_base value with:
+#    bundle exec rails secret
+# 2. Set the secret_key_base in your environment:
+#    SECRET_KEY_BASE=<value>
+ENV SECRET_KEY_BASE=662e5f1c1f71b78c6fc0455cf72b590aefc7e924bbe356556c8dacd18fa0c6a5d7d4908afc7627bd1d6cb5ce95b610eeb64f538079d1fe07ef3d73b43ac0f8b0
+
 COPY --from=build-env --chown=pwpusher:pwpusher ${APP_ROOT} ${APP_ROOT}
 
 RUN bundle config set without "${BUNDLE_WITHOUT}" \