fix environment passing (team#41257)

service/object-storage.md

@@ -96,7 +96,7 @@ This is the actual command we use to *create* (not start!) the
 container:
 
     PASSWORD=$(tr -dc '[:alnum:]' < /dev/urandom | head -c 32)
-    echo "PASSWORD=$PASSWORD" > /etc/default/minio
+    echo "MINIO_ROOT_PASSWORD=$PASSWORD" > /etc/default/minio
     chmod 600 /etc/default/minio
     mkdir -p /srv/data
 
@@ -106,7 +106,7 @@ container:
        --publish 9090:9090 \
        --volume /srv/data:/data \
        --env "MINIO_ROOT_USER=root" \
-       --env "MINIO_ROOT_PASSWORD=$PASSWORD" \
+       --env "MINIO_ROOT_PASSWORD" \
        quay.io/minio/minio server /data --console-address ":9090"
 
 We store the password in a file because it will be used in a systemd
@@ -114,7 +114,7 @@ unit. That could be done in Puppet instead.
 
 This is how the systemd unit was generated:
 
-    podman generate systemd --new --name minio | sed 's/MINIO_ROOT_PASSWORD=[^ ]*/MINIO_ROOT_PASSWORD=$PASSWORD/' > /etc/systemd/system/container-minio.service
+    podman generate systemd --new --name minio | sed 's/MINIO_ROOT_PASSWORD=[^ ]*/MINIO_ROOT_PASSWORD=$PASSWORD/;s,Environment,EnvironmentFile=/etc/default/minio\nEnvironment,' > /etc/systemd/system/container-minio.service
 
 Then the unit was enabled and started with: