typo

.gitignore

@@ -2,3 +2,4 @@ mkdocs/site/
 *.pdf
 *.PDF
 .cache
+.env

Dockerfile

@@ -16,6 +16,6 @@ RUN apk add --no-cache \
         mkdocs-to-pdf \
         mkdocs-svg-to-png \
         mkdocs-mermaid-to-svg \
-        mkdocs-mkdocs-page-pdf \
+        mkdocs-page-pdf \
     && python -m playwright install \
     && apk del .build-deps

docker-compose.yml

@@ -5,6 +5,6 @@ services:
     volumes:
       - ./mkdocs:/docs
     ports:
-      - {CONTAINER_PORT}:8000
+      - ${CONTAINER_PORT}:8000
     env_file:
       - .env