Improve Dockerfile.

dev/Dockerfile

@@ -1,5 +0,0 @@
-FROM alpine
-
-RUN apk add --no-cache wireguard-tools-wg-quick
-
-

dev/docker-compose.yaml.tmpl

@@ -5,11 +5,15 @@ services:
   {% for item in keypairs %}
   {{ item.item }}:
     build:
-      dockerfile: Dockerfile
+      context: ./server/
     volumes:
     - ./config/{{ item.item }}-wg0.conf:/etc/wireguard/wg0.conf
     networks:
     - default
+    expose:
+    - 51871
+    command: [ "sleep", "10000" ]
+    cap_add: [ "NET_ADMIN" ]
   {% endfor %}
 networks:
   default:

dev/server/Dockerfile

@@ -0,0 +1,5 @@
+FROM alpine
+
+RUN apk add --no-cache wireguard-tools-wg-quick
+COPY ./entrypoint.sh /usr/local/bin/entrypoint.sh
+ENTRYPOINT [ "/usr/local/bin/entrypoint.sh" ]

dev/server/entrypoint.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+wg-quick up wg0
+
+"$@"