diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index df1c799..2e2ce3b 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -8,11 +8,15 @@ on:
 jobs:
   quality:
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-quality:latest
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
       - name: Set up environment
-        run: make setup-quality
+        run: make setup-image
       - name: Lint all
         run: |
           . .venv/bin/activate
@@ -60,7 +64,11 @@ jobs:
 
   detect-changes:
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-base:latest
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash
     outputs:
       user-facing-changed: ${{ steps.detect.outputs.user-facing-changed }}
     steps:
@@ -68,7 +76,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Set up environment
-        run: make setup-ci
+        run: make setup-image
       - name: Detect changed paths
         id: detect
         env:
@@ -84,13 +92,17 @@ jobs:
     needs: [quality, detect-changes]
     if: needs.detect-changes.outputs.user-facing-changed == 'true'
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-full:latest
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up environment
-        run: make setup-release
+        run: make setup-image
       - name: Release dry-run validation
         env:
           PYTHONPATH: src
@@ -102,11 +114,15 @@ jobs:
   pr-review:
     if: github.event_name == 'pull_request'
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-base:latest
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
       - name: Set up environment
-        run: make setup-ci
+        run: make setup-image
       - name: Run automated PR review
         env:
           REPO_TOKEN: ${{ secrets.REPO_TOKEN }}
@@ -129,14 +145,18 @@ jobs:
       needs.quality.result == 'success' &&
       needs.pr-review.result == 'success'
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-base:latest
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           token: ${{ secrets.REPO_TOKEN }}
       - name: Set up environment
-        run: make setup-ci
+        run: make setup-image
       - name: Squash merge with task ID
         env:
           REPO_TOKEN: ${{ secrets.REPO_TOKEN }}
diff --git a/.gitea/workflows/post-merge.yml b/.gitea/workflows/post-merge.yml
index deffa30..dff0d64 100644
--- a/.gitea/workflows/post-merge.yml
+++ b/.gitea/workflows/post-merge.yml
@@ -33,7 +33,11 @@ on:
 jobs:
   detect-type:
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-base:latest
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash
     outputs:
       is-release: ${{ steps.check.outputs.is-release }}
     steps:
@@ -41,7 +45,7 @@ jobs:
         with:
           fetch-depth: 1
       - name: Set up environment
-        run: make setup-ci
+        run: make setup-image
       - name: Check if this is a release commit
         id: check
         env:
@@ -54,13 +58,17 @@ jobs:
     needs: [detect-type]
     if: needs.detect-type.outputs.is-release == 'false'
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-base:latest
     timeout-minutes: 5
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 1
       - name: Set up environment
-        run: make setup-ci
+        run: make setup-image
       - name: Validate latest commit message
         env:
           PYTHONPATH: src
@@ -74,7 +82,11 @@ jobs:
     needs: [detect-type]
     if: needs.detect-type.outputs.is-release == 'false'
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-full:latest
     timeout-minutes: 15
+    defaults:
+      run:
+        shell: bash
     outputs:
       tag: ${{ steps.release-tag.outputs.tag }}
     steps:
@@ -85,7 +97,7 @@ jobs:
       - name: Set up environment
         env:
           REPO_TOKEN: ${{ secrets.REPO_TOKEN }}
-        run: make setup-release
+        run: make setup-image
       - name: Configure git
         run: |
           git config user.name "devx-ci-bot"
@@ -123,7 +135,11 @@ jobs:
     needs: [release]
     if: needs.release.outputs.tag != ''
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-full:latest
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
         with:
@@ -131,7 +147,7 @@ jobs:
       - name: Set up environment
         env:
           REPO_TOKEN: ${{ secrets.REPO_TOKEN }}
-        run: make setup-release
+        run: make setup-image
       - name: Build and publish release
         env:
           REPO_TOKEN: ${{ secrets.REPO_TOKEN }}
@@ -158,13 +174,17 @@ jobs:
     needs: [detect-type]
     if: needs.detect-type.outputs.is-release == 'false'
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-base:latest
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up environment
-        run: make setup-ci
+        run: make setup-image
       - name: Sync documentation to wiki
         env:
           REPO_TOKEN: ${{ secrets.REPO_TOKEN }}
@@ -189,7 +209,11 @@ jobs:
     needs: [detect-type]
     if: always()
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-quality:latest
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
         with:
@@ -201,7 +225,7 @@ jobs:
           git fetch origin master
           git reset --hard origin/master
       - name: Set up environment
-        run: make setup-ci
+        run: make setup-image
       - name: Generate and push badges
         env:
           PRE_COMMIT_ALLOW_NO_CONFIG: "1"
@@ -225,13 +249,17 @@ jobs:
     needs: [detect-type]
     if: needs.detect-type.outputs.is-release == 'false'
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-base:latest
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up environment
-        run: make setup-ci
+        run: make setup-image
       - name: Update Vikunja task
         env:
           VIKUNJA_TOKEN: ${{ secrets.VIKUNJA_TOKEN }}
@@ -257,11 +285,15 @@ jobs:
     needs: [detect-type]
     if: needs.detect-type.outputs.is-release == 'false'
     runs-on: docker
+    container: git.oblachno.oblachno.fyi/oblachno-oss/runner-images/ci-base:latest
     timeout-minutes: 10
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
       - name: Set up environment
-        run: make setup-ci
+        run: make setup-image
       - name: Ensure branch protection and labels
         env:
           REPO_TOKEN: ${{ secrets.REPO_TOKEN }}