diff --git a/.forgejo/Dockerfile b/.forgejo/Dockerfile
index 73d5916..39766ae 100644
--- a/.forgejo/Dockerfile
+++ b/.forgejo/Dockerfile
@@ -6,12 +6,6 @@
 #    ExecStart=/usr/local/bin/forgejo-runner daemon --config /etc/forgejo/config.yml
 FROM ghcr.io/catthehacker/ubuntu:go-24.04
 
-# Infrastructure tools required by CI workflows
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    stunnel4 \
-    netcat-openbsd \
-    && rm -rf /var/lib/apt/lists/*
-
 # Dagger CLI — pinned to match the engine version on the runner host
 RUN curl -fsSL https://dl.dagger.io/dagger/install.sh \
     | DAGGER_VERSION=0.20.8 BIN_DIR=/usr/local/bin sh
diff --git a/.forgejo/workflows/deploy.yml b/.forgejo/workflows/deploy.yml
index 888a153..722de6a 100644
--- a/.forgejo/workflows/deploy.yml
+++ b/.forgejo/workflows/deploy.yml
@@ -106,14 +106,10 @@ jobs:
         run: |
           command -v dagger  >/dev/null 2>&1 || { echo "ERROR: dagger is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
           command -v task    >/dev/null 2>&1 || { echo "ERROR: task is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
-          dpkg -s stunnel4 netcat-openbsd >/dev/null 2>&1 || { echo "ERROR: stunnel4/netcat-openbsd are not installed in the runner image. Add them to .forgejo/Dockerfile."; exit 1; }
 
-      - name: Setup Dagger Remote Engine (via stunnel)
+      - name: Setup Dagger Remote Engine
         env:
-          DAGGER_STUNNEL_URL: ${{ secrets.DAGGER_STUNNEL_URL }}
-          DAGGER_CA_CERT: ${{ secrets.DAGGER_CA_CERT }}
-          DAGGER_CLIENT_CERT: ${{ secrets.DAGGER_CLIENT_CERT }}
-          DAGGER_CLIENT_KEY: ${{ secrets.DAGGER_CLIENT_KEY }}
+          SOPS_AGE_KEY: ${{ secrets.SOPS_AGE_KEY }}
         run: scripts/setup_dagger_remote.sh
 
       - name: Publish Android to Play Store
@@ -125,9 +121,6 @@ jobs:
           DAGGER_NO_NAG: "1"
         run: task publish-android
 
-      - name: Cleanup TLS credentials
-        if: always()
-        run: rm -rf /tmp/dagger-tls /tmp/stunnel-dagger.conf /tmp/stunnel.pid
 
   deploy-apk:
     name: Build & Deploy APK to Server
@@ -145,14 +138,10 @@ jobs:
         run: |
           command -v dagger  >/dev/null 2>&1 || { echo "ERROR: dagger is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
           command -v task    >/dev/null 2>&1 || { echo "ERROR: task is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
-          dpkg -s stunnel4 netcat-openbsd >/dev/null 2>&1 || { echo "ERROR: stunnel4/netcat-openbsd are not installed in the runner image. Add them to .forgejo/Dockerfile."; exit 1; }
 
-      - name: Setup Dagger Remote Engine (via stunnel)
+      - name: Setup Dagger Remote Engine
         env:
-          DAGGER_STUNNEL_URL: ${{ secrets.DAGGER_STUNNEL_URL }}
-          DAGGER_CA_CERT: ${{ secrets.DAGGER_CA_CERT }}
-          DAGGER_CLIENT_CERT: ${{ secrets.DAGGER_CLIENT_CERT }}
-          DAGGER_CLIENT_KEY: ${{ secrets.DAGGER_CLIENT_KEY }}
+          SOPS_AGE_KEY: ${{ secrets.SOPS_AGE_KEY }}
         run: scripts/setup_dagger_remote.sh
 
       - name: Build & Deploy APK to server
@@ -167,9 +156,6 @@ jobs:
           DAGGER_NO_NAG: "1"
         run: task deploy-apk
 
-      - name: Cleanup TLS credentials
-        if: always()
-        run: rm -rf /tmp/dagger-tls /tmp/stunnel-dagger.conf /tmp/stunnel.pid
 
   build-linux:
     name: Build Linux Release
@@ -187,14 +173,10 @@ jobs:
         run: |
           command -v dagger  >/dev/null 2>&1 || { echo "ERROR: dagger is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
           command -v task    >/dev/null 2>&1 || { echo "ERROR: task is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
-          dpkg -s stunnel4 netcat-openbsd >/dev/null 2>&1 || { echo "ERROR: stunnel4/netcat-openbsd are not installed in the runner image. Add them to .forgejo/Dockerfile."; exit 1; }
 
-      - name: Setup Dagger Remote Engine (via stunnel)
+      - name: Setup Dagger Remote Engine
         env:
-          DAGGER_STUNNEL_URL: ${{ secrets.DAGGER_STUNNEL_URL }}
-          DAGGER_CA_CERT: ${{ secrets.DAGGER_CA_CERT }}
-          DAGGER_CLIENT_CERT: ${{ secrets.DAGGER_CLIENT_CERT }}
-          DAGGER_CLIENT_KEY: ${{ secrets.DAGGER_CLIENT_KEY }}
+          SOPS_AGE_KEY: ${{ secrets.SOPS_AGE_KEY }}
         run: scripts/setup_dagger_remote.sh
 
       - name: Build & Deploy Linux to server
@@ -207,9 +189,6 @@ jobs:
           DAGGER_NO_NAG: "1"
         run: task deploy-linux
 
-      - name: Cleanup TLS credentials
-        if: always()
-        run: rm -rf /tmp/dagger-tls /tmp/stunnel-dagger.conf /tmp/stunnel.pid
 
   label-deploy-health:
     name: Update Deploy Health Label
diff --git a/.forgejo/workflows/firebase-tests.yml b/.forgejo/workflows/firebase-tests.yml
index 5a4b277..e7df92f 100644
--- a/.forgejo/workflows/firebase-tests.yml
+++ b/.forgejo/workflows/firebase-tests.yml
@@ -58,14 +58,10 @@ jobs:
         run: |
           command -v dagger  >/dev/null 2>&1 || { echo "ERROR: dagger is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
           command -v task    >/dev/null 2>&1 || { echo "ERROR: task is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
-          dpkg -s stunnel4 netcat-openbsd >/dev/null 2>&1 || { echo "ERROR: stunnel4/netcat-openbsd are not installed in the runner image. Add them to .forgejo/Dockerfile."; exit 1; }
 
-      - name: Setup Dagger Remote Engine (via stunnel)
+      - name: Setup Dagger Remote Engine
         env:
-          DAGGER_STUNNEL_URL: ${{ secrets.DAGGER_STUNNEL_URL }}
-          DAGGER_CA_CERT: ${{ secrets.DAGGER_CA_CERT }}
-          DAGGER_CLIENT_CERT: ${{ secrets.DAGGER_CLIENT_CERT }}
-          DAGGER_CLIENT_KEY: ${{ secrets.DAGGER_CLIENT_KEY }}
+          SOPS_AGE_KEY: ${{ secrets.SOPS_AGE_KEY }}
         run: scripts/setup_dagger_remote.sh
 
       - name: Run Android Tests on Firebase Test Lab
@@ -76,10 +72,6 @@ jobs:
           DAGGER_NO_NAG: "1"
         run: task test-android-firebase
 
-      - name: Cleanup TLS credentials
-        if: always()
-        run: rm -rf /tmp/dagger-tls /tmp/stunnel-dagger.conf /tmp/stunnel.pid
-
       - name: Create issue on test failure
         if: failure()
         env:
diff --git a/.forgejo/workflows/renovate.yml b/.forgejo/workflows/renovate.yml
index 759d5eb..4467e42 100644
--- a/.forgejo/workflows/renovate.yml
+++ b/.forgejo/workflows/renovate.yml
@@ -18,14 +18,10 @@ jobs:
         run: |
           command -v dagger  >/dev/null 2>&1 || { echo "ERROR: dagger is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
           command -v task    >/dev/null 2>&1 || { echo "ERROR: task is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
-          dpkg -s stunnel4 netcat-openbsd >/dev/null 2>&1 || { echo "ERROR: stunnel4/netcat-openbsd are not installed in the runner image. Add them to .forgejo/Dockerfile."; exit 1; }
 
-      - name: Setup Dagger Remote Engine (via stunnel)
+      - name: Setup Dagger Remote Engine
         env:
-          DAGGER_STUNNEL_URL: ${{ secrets.DAGGER_STUNNEL_URL }}
-          DAGGER_CA_CERT: ${{ secrets.DAGGER_CA_CERT }}
-          DAGGER_CLIENT_CERT: ${{ secrets.DAGGER_CLIENT_CERT }}
-          DAGGER_CLIENT_KEY: ${{ secrets.DAGGER_CLIENT_KEY }}
+          SOPS_AGE_KEY: ${{ secrets.SOPS_AGE_KEY }}
         run: scripts/setup_dagger_remote.sh
 
       - name: Run Renovate
@@ -33,7 +29,3 @@ jobs:
           DAGGER_NO_NAG: "1"
           RENOVATE_FORGEJO_TOKEN: ${{ secrets.RENOVATE_FORGEJO_TOKEN }}
         run: task renovate
-
-      - name: Cleanup TLS credentials
-        if: always()
-        run: rm -rf /tmp/dagger-tls /tmp/stunnel-dagger.conf /tmp/stunnel.pid
diff --git a/.forgejo/workflows/website.yml b/.forgejo/workflows/website.yml
index 2adfc33..7e47bd2 100644
--- a/.forgejo/workflows/website.yml
+++ b/.forgejo/workflows/website.yml
@@ -26,7 +26,6 @@ jobs:
         run: |
           command -v dagger  >/dev/null 2>&1 || { echo "ERROR: dagger is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
           command -v task    >/dev/null 2>&1 || { echo "ERROR: task is not installed in the runner image. Add it to .forgejo/Dockerfile."; exit 1; }
-          dpkg -s stunnel4 netcat-openbsd >/dev/null 2>&1 || { echo "ERROR: stunnel4/netcat-openbsd are not installed in the runner image. Add them to .forgejo/Dockerfile."; exit 1; }
 
       - name: Setup Dagger Remote Engine
         env:
@@ -48,7 +47,3 @@ jobs:
         env:
           SSH_HOST: ${{ secrets.WEBSITE_SSH_HOST }}
         run: scripts/website-verify.sh
-
-      - name: Cleanup TLS credentials
-        if: always()
-        run: rm -rf /tmp/dagger-tls /tmp/stunnel-dagger.conf /tmp/stunnel.pid