added nmbd

nmbd/Dockerfile

@@ -0,0 +1,9 @@
+FROM alpine:3.15.5
+
+RUN apk add --no-cache samba-server
+
+COPY start.sh /start.sh
+
+EXPOSE 137/udp
+
+CMD ["/start.sh"]

nmbd/README.md

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+# nmbd
+
+Run Samba's NMBD inside docker to respond to NETBIOS queries
+
+## Usage
+
+Run the container:
+
+```bash
+docker run -it --rm -p 137:137/udp \
+    -e NETBIOS_NAME=MYHOSTNAME \
+    -e NETBIOS_WORKGROUP=MYWORKGROUP \
+    markdegroot/nmbd
+```
+The following optional parameters can be configured using environment variables:
+- NETBIOS_NAME
+- NETBIOS_WORKGROUP
+
+## Building
+
+Build the container using:
+```bash
+docker build -t markdegroot/nmbd .
+```

nmbd/start.sh

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+#!/bin/sh
+set -e
+
+/usr/sbin/nmbd -i \
+    "--option=netbios name = ${NETBIOS_NAME:-$HOSTNAME}" \
+    "--option=workgroup = ${NETBIOS_WORKGROUP:-WORKGROUP}" \
+    "--option=local master = no"