fix: set ssh_key in base64

Author: AdriaCarrera

.github/workflows/release.yml

@@ -46,7 +46,7 @@ jobs:
             peersyst/exrp:${{ github.event.inputs.tag }}
             ${{ fromJSON('["", "peersyst/exrp:latest"]')[github.event.inputs.is_latest_release == 'true'] }}
           secrets: |
-            ssh_key=${{ secrets.SSH_KEY }}
+            ssh_key_b64=${{ secrets.SSH_KEY_B64 }}
       - name: Publish the Release
         uses: softprops/action-gh-release@v1
         with:

Dockerfile

@@ -10,7 +10,7 @@ COPY . .
 # Hotfix to allow download of private go module
 ENV GOPRIVATE=github.com/cometbft/cometbft-sec-tachyon
 RUN mkdir -p ~/.ssh
-RUN --mount=type=secret,id=ssh_key,env=SSH_KEY  echo $SSH_KEY > ~/.ssh/id_rsa
+RUN --mount=type=secret,id=ssh_key_b64 base64 -d -i /run/secrets/ssh_key_b64 > ~/.ssh/id_rsa
 RUN chmod 600 ~/.ssh/id_rsa
 RUN ssh-keyscan github.com >> ~/.ssh/known_hosts
 RUN git config --global url."ssh://git@github.com/cometbft/cometbft-sec-tachyon".insteadOf "https://github.com/cometbft/cometbft-sec-tachyon"