Merge branch 'fix-poetry-plugin-export' into 'main'

fix: docker build by explicitly installing poetry-plugin-export

See merge request !71

Dockerfile

@@ -14,7 +14,7 @@ ENV PYTHONUNBUFFERED=1 PYTHONDONTWRITEBYTECODE=1
 WORKDIR /usr/src/app
 
 # Pretty much everything from here on needs poetry.
-RUN pip install --no-cache-dir poetry
+RUN pip install --no-cache-dir poetry && poetry self add poetry-plugin-export
 
 ###############################################################################
 # Base image for all *development* images to build upon.
@@ -32,7 +32,7 @@ ENV PYTHONUNBUFFERED=1 PYTHONDONTWRITEBYTECODE=1
 WORKDIR /usr/src/app
 
 # Pretty much everything from here on needs poetry.
-RUN pip install --no-cache-dir poetry
+RUN pip install --no-cache-dir poetry && poetry self add poetry-plugin-export
 
 ###############################################################################
 # Just enough to run tox. Tox will install any other dependencies it needs.