Add Couchbase 2.5 Docker build and publish workflow

Introduces a Dockerfile for Couchbase Server 2.5 on Ubuntu 12.04, a GitHub Actions workflow to build and publish the image to GHCR, and a .gitignore to exclude .deb and .rpm files. Also adds local settings for permissions.

.claude/settings.local.json

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+{
+  "permissions": {
+    "allow": [
+      "Bash(mkdir:*)",
+      "Bash(docker build:*)"
+    ],
+    "deny": [],
+    "ask": []
+  }
+}

.github/workflows/publish-couchbase-2.5.yml

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+name: Publish Couchbase 2.5 Docker Image
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'couchbase-2.5/**'
+  workflow_dispatch:
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Download Couchbase 2.5.2 RPM
+        run: |
+          cd couchbase-2.5
+          wget https://launchpadlibrarian.net/90920725/libgpg-error0_1.10-2ubuntu1_amd64.deb
+          wget https://launchpadlibrarian.net/462496703/libgcrypt11_1.5.0-3ubuntu0.9_amd64.deb
+          wget https://launchpadlibrarian.net/98077365/libp11-kit0_0.12-2ubuntu1_amd64.deb
+          wget https://launchpadlibrarian.net/329563761/libtasn1-3_2.10-1ubuntu1.6_amd64.deb
+          wget https://launchpadlibrarian.net/311120336/libgnutls26_2.12.14-5ubuntu3.14_amd64.deb
+          wget https://launchpadlibrarian.net/320724516/librtmp0_2.4~20110711.gitc28f1bab-1ubuntu0.1_amd64.deb
+          wget https://packages.couchbase.com/releases/2.5.2/couchbase-server-enterprise_2.5.2_x86_64.deb
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/${{ github.repository }}/couchbase-2.5
+          tags: |
+            type=raw,value=2.5
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: couchbase-2.5
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.gitignore

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+*.deb
+*.rpm

couchbase-2.5/Dockerfile

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+# Docs: https://docs.couchbase.com/couchbase-manual-2.5/cb-install
+
+FROM ubuntu:12.04
+
+LABEL maintainer="Tien Nguyen Minh <tiennm99@outlook.com>"
+
+COPY *.deb /tmp/
+
+RUN dpkg -i /tmp/libgpg-error0_*.deb && \
+    dpkg -i /tmp/libgcrypt11_*.deb && \
+    dpkg -i /tmp/libp11-kit0_*.deb && \
+    dpkg -i /tmp/libtasn1-3_*.deb && \
+    dpkg -i /tmp/libgnutls26_*.deb && \
+    dpkg -i /tmp/librtmp0_*.deb && \
+    dpkg -i /tmp/couchbase-server-enterprise_*.deb && \
+    rm /tmp/*.deb
+
+# Expose ports
+# 8091: Web Administration Port
+# 8092: Couchbase API Port
+# 11210: Internal/External Bucket Port
+# 11211: Client interface (proxy)
+EXPOSE 8091 8092 11210 11211
+
+VOLUME /opt/couchbase/var
+
+CMD ["/opt/couchbase/bin/couchbase-server"]