fix: path for the default changelog template

Dockerfile

@@ -1,8 +1,5 @@
 FROM python:3.12-alpine as build
 
-ENV SEMVER_HELPER_TEMPLATE_CHANGELOG="/pygitver/templates/changelog.tmpl"
-ENV SEMVER_HELPER_ROOT="/pygitver"
-
 # Make sure we use the virtualenv:
 RUN python -m venv /opt/venv
 ENV PATH="/opt/venv/bin:$PATH"
@@ -14,6 +11,9 @@ RUN pip install --no-cache-dir -U pip  \
 
 FROM python:3.12-alpine
 
+ENV PYGITVER_TEMPLATE_CHANGELOG="/pygitver/templates/changelog.tmpl"
+ENV PYGITVER_ROOT="/pygitver"
+
 # Install dependencies
 RUN apk add --no-cache git openssh \
     && ln -s /pygitver/pygitver /usr/local/bin/pygitver

README.md

@@ -125,7 +125,7 @@ v1.0.0
 
 * Take as an example: `./src/templates/changelog.tmpl`
 * Place somewhere in your project custom template
-* Send environment variable `SEMVER_HELPER_TEMPLATE_CHANGELOG` to docker 
+* Send environment variable `PYGITVER_TEMPLATE_CHANGELOG` to docker 
   on run with full template path in Docker (usually `/app/...`)
 
 ### Development