diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index 82ea0e0..0f79a17 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -11,7 +11,7 @@ on:
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_NAME: templateflow/datalad
+  IMAGE_NAME: courtois-neuromod/datalad
 
 jobs:
   build-and-push-image:
@@ -29,7 +29,7 @@ jobs:
         with:
           registry: ${{ env.REGISTRY }}
           username: cneuromod-bot
-          password: ${{ secrets.NIPREPS_BOT_PACKAGES }}
+          password: ${{ secrets.CNEUROMOD_BOT_REGISTRY_TOKEN }}
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
diff --git a/Dockerfile b/Dockerfile
index 9e75d19..8795281 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,10 @@
-FROM python:3.8-slim
+FROM python:3.8-alpine as builder
 
-# Prepare environment
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-                    curl bzip2 git && \
-    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+RUN apk update && apk add --no-cache curl bzip2 gcc libffi-dev musl-dev
 
-ENV GIT_ANNEX_PACKAGE=git-annex-10.20220505-nodep_h1234567_0.tar.bz2
+RUN pip install datalad pytest ssh_agent_setup
 
-RUN cd /usr/ && \
-    curl -sSL   https://anaconda.org/conda-forge/git-annex/10.20220505/download/linux-64/$GIT_ANNEX_PACKAGE | \
-    tar -xj
+FROM python:3.8-alpine
+COPY --from=builder /usr/local /usr/local
 
-RUN pip install datalad pytest ssh_agent_setup
+RUN apk update && apk add --no-cache git openssh-client git-annex