Remove references to HOSTNAME as it's not required

README.md

@@ -51,10 +51,8 @@ Distributed & E2EE self-hosting.  The goal is to have nodes voluntarily join the
 1. Clone the repo.
 2. Create a directory to hold the config and certificates.
 3. Copy `node-config.yaml` as `config.yaml` in the new directory.
-4. Update the `docker-compose.yaml` to...
+4. Update the `docker-compose.yaml` to bind mount the newly created directory to `/etc/nebula`.
-   1. Set the `hostname` value.
-   2. Bind mount the newly created directory to `/etc/nebula`.
 5. Run the container with `docker-compose up -d`.  This will create two files, `host.key` and `host.csr`.
-6. Send the contents of the `host.csr` file and your chosen hostname to a cluster admin to sign.
+6. Send the contents of the `host.csr` file to a cluster admin to sign.
 7. The signed certificate should go alongside the `host.csr` file and be called, `host.crt`.
 8. Start the container again and it should find the config and certificates and then connect to the existing cluster.

docker-compose.yaml

@@ -3,7 +3,6 @@ version: "3"
 services:
   nebula:
     container_name: infranet
-    hostname: __HOSTNAME__
     image: dcr.wallace.sh/scott/infranet:latest
     volumes:
       - /path/to/infranet/config:/etc/nebula

docker-entrypoint.sh

@@ -3,12 +3,6 @@
 ARCH=$(uname -m)
 BIN_DIR=/app/linux-${ARCH}
 DATA_DIR=/etc/nebula
-HOSTNAME=$(hostname)
-
-if test "${HOSTNAME}" == '__HOSTNAME__'; then
-    echo 'You did not set a hostname for the Docker container'
-    exit 2
-fi
 
 # --------------------- TESTING ONLY ------------------------
 # Build host certs if they don't exist
@@ -18,7 +12,6 @@ if ! test -f ${DATA_DIR}/host.crt; then
         "${BIN_DIR}/nebula-cert" keygen -out-key host.key -out-pub host.csr
         # shellcheck disable=SC2016
         echo 'You will need to get the `host.csr` file signed by a cluster admin'
-        echo "Provide them with the hostname (${HOSTNAME}) and the \`host.csr\` file"
         exit 3
     else
         # shellcheck disable=SC2016