diff --git a/.env b/.env
deleted file mode 100644
index 0244590b..00000000
--- a/.env
+++ /dev/null
@@ -1,3 +0,0 @@
-COMPOSE_PROJECT_NAME=oliverdavies-uk
-
-DOCKER_WEB_PORT_FORWARD=80
diff --git a/.env.example b/.env.example
new file mode 100644
index 00000000..f7707ba1
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,29 @@
+COMPOSE_PROJECT_NAME=oliverdavies-uk
+
+# The volume to store the generated output files.
+#
+# For development, an anonymous volume should be sufficient as the generated
+# files don't need to be accessible locally.
+#
+# For production, you may want to output the files into a directory so that
+# they can be served by a web server like Apache or Nginx.
+#DOCKER_OUTPUT_VOLUME=./output_dev:/app/output_dev
+#DOCKER_OUTPUT_VOLUME=./output_prod:/app/output_prod
+DOCKER_OUTPUT_VOLUME=/app/output_dev
+
+# The environment to generate the site for (e.g. dev or prod).
+#SCULPIN_ENV=prod
+SCULPIN_ENV=dev
+
+# The port on which to serve the site if the --server option is specified.
+#SCULPIN_PORT=80
+SCULPIN_PORT=8000
+
+# The default URL to use if one hasn't been specified in the environment's
+# configuration file.
+#SCULPIN_URL=https://example.com
+SCULPIN_URL=http://localhost
+
+# Any additional arguments to pass to the "sculpin generate" command.
+#SCULPIN_GENERATE_ARGS=
+SCULPIN_GENERATE_ARGS="--server --watch"
diff --git a/.gitignore b/.gitignore
index 30428fde..525a7b96 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@
 /output_*/
 /source/build/
 /vendor/
+/.env
 /.phpunit.cache
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 30458085..57444b87 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,34 +1,20 @@
-version: '2.4'
-
 services:
-  proxy:
-    image: nginxproxy/nginx-proxy:alpine
-    volumes:
-      - /var/run/docker.sock:/tmp/docker.sock:ro
-    ports:
-      - "${DOCKER_WEB_PORT_FORWARD:-80}:80"
-
   app:
     build:
       context: .
       dockerfile: tools/docker/images/Dockerfile
       target: app
-    expose:
-      - 80
-    command:
-      - generate
-      - --server
-      - --watch
-      - --port
-      - '80'
-      - --url
-      - http://oliverdavies.localhost
+    command: generate --port "${SCULPIN_PORT:-80}" --url "${SCULPIN_URL:-http://localhost}" --env "${SCULPIN_ENV:-dev}" "${SCULPIN_GENERATE_ARGS}"
     volumes:
       - assets:/app/source/build
-      - /app/output_dev
       - .:/app
-    environment:
-      VIRTUAL_HOST: oliverdavies.localhost
+      - "${DOCKER_OUTPUT_VOLUME:-./output_prod:/app/output_prod}"
+    ports:
+      - "${SCULPIN_PORT:-80}:${SCULPIN_PORT:-80}"
+    env_file:
+      - .env
+    depends_on:
+      - assets
 
   assets:
     image: node:14
@@ -50,4 +36,4 @@ services:
       - assets-watch
 
 volumes:
-  assets:
+  assets: {}