diff --git a/Dockerfile b/Dockerfile
index 6920577..a90f776 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,23 +10,26 @@ RUN curl -L \
 COPY requirements.txt /tmp/requirements.txt
 RUN pip install --no-cache-dir -r /tmp/requirements.txt
 
-COPY src /app
-ENV PYTHONPATH=/app
-
-COPY log-config.yaml /etc/runboat-log-config.yaml
-
 ENV RUNBOAT_SUPPORTED_REPOS='["OCA/mis-builder", "shopinvader/odoo-shopinvader", "OCA/server-env"]'
+ENV RUNBOAT_BUILD_IMAGES='{"15.0": "ghcr.io/oca/oca-ci/py3.8-odoo15.0:latest"}'
 ENV RUNBOAT_API_ADMIN_USER="admin"
 ENV RUNBOAT_API_ADMIN_PASSWD="admin"
 ENV RUNBOAT_BUILD_NAMESPACE=runboat-builds
 ENV RUNBOAT_BUILD_DOMAIN=runboat-builds.example.com
 ENV RUNBOAT_BUILD_ENV='{"PGHOST": "postgres14.runboat-builds-db", "PGPORT": "5432", "PGUSER": "runboat-build"}'
 ENV RUNBOAT_BUILD_SECRET_ENV='{"PGPASSWORD": "..."}'
+ENV RUNBOAT_BUILD_TEMPLATE_VARS='{}'
 ENV RUNBOAT_GITHUB_TOKEN=
-ENV RUNBOAT_LOG_CONFIG=/etc/runboat-log-config.yaml
 ENV RUNBOAT_BASE_URL=https://runboat.example.com
 
-ENV KUBECONFIG=/run/kubeconfig
+# KUBECONFIG to be provided by user, unless running in cluster with a service account
+# having the necessary permissions.
+
+COPY log-config.yaml /etc/runboat-log-config.yaml
+ENV RUNBOAT_LOG_CONFIG=/etc/runboat-log-config.yaml
+
+COPY src /app
+ENV PYTHONPATH=/app
 
 EXPOSE 8000