feat(tracing): integrate OpenTelemetry for request tracing (#237)

* feat(tracing): integrate OpenTelemetry for request tracing with middleware to handle tracing of HTTP requests
* chore(workflow): simplify deno formatting workflow by removing auto-format and PR creation steps
* fix(docker): remove commented fallback entrypoint and ensure proper `deno compile` command
* fix(release-drafter): add 'feat' branch pattern to feature label for autolabeling

Author: wax911

.env.defaults

@@ -37,7 +37,10 @@ SPOTIFY_SECRET="SPOTIFY_SECRET"
 PORT=9800
 
 OTEL_DENO=true
-OTEL_SERVICE_NAME="on-the-edge"
-OTEL_EXPORTER_OTLP_METRICS_ENDPOINT=""
-OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=""
-OTEL_EXPORTER_OTLP_LOGS_ENDPOINT=""
+OTEL_DENO_SERVICE_NAME="on-the-edge"
+OTEL_EXPORTER_OTLP_ENDPOINT="http://otel-collector:4318"
+OTEL_EXPORTER_OTLP_METRICS_ENDPOINT="http://otel-collector:4318/v1/metrics"
+OTEL_EXPORTER_OTLP_TRACES_ENDPOINT="http://otel-collector:4318/v1/traces"
+OTEL_EXPORTER_OTLP_LOGS_ENDPOINT="http://otel-collector:4318/v1/logs"
+
+DENO_ENV=development

.github/release-drafter-config.yml

@@ -37,6 +37,7 @@ autolabeler:
   - label: ':star2: feature'
     branch:
       - '/feature\/.+/'
+      - '/feat\/.+/'
   - label: ':wrench: enhancement'
     branch:
       - '/enhancement\/.+/'

.github/workflows/deno-format.yml

@@ -9,41 +9,16 @@ permissions:
 
 jobs:
   format:
-    permissions:
-      contents: write
-      pull-requests: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/create-github-app-token@v2
-        id: app-token
-        with:
-          app-id: ${{ secrets.APP_ID }}
-          private-key: ${{ secrets.APP_PRIVATE_KEY }}
       - name: Checkout code
         uses: actions/checkout@v4
-        with:
-          token: ${{ steps.app-token.outputs.token }}
-          # Make sure the value of GITHUB_TOKEN will not be persisted in repo's config
-          persist-credentials: false
 
       - name: setup deno
         uses: denoland/setup-deno@v2
         with:
           cache: true
 
-      - name: auto-format code
-        run: deno fmt
-        
-      - name: check for file changes
-        id: git_status
-        run: |
-          echo "::set-output name=status::$(git status -s)"
+      - name: check code format
+        run: deno fmt --check
 
-      - name: create pull request with formatting corrections
-        if: ${{contains(steps.git_status.outputs.status, ' ')}}
-        uses: stefanzweifel/git-auto-commit-action@v6
-        with:
-          commit_message: "chore(automation): auto format code using deno fmt"
-          commit_options: '--no-verify --signoff'
-          file_pattern: '*.ts'
-          repository: .

Dockerfile

@@ -10,12 +10,9 @@ RUN apt-get install unzip
 FROM scaffold AS cache
 RUN deno cache src/server.ts
 
-# Fallback and compilation has broken in some instances
-#ENTRYPOINT ["deno", "run", "--allow-net", "--allow-env", "--allow-read", "--allow-sys", "src/server.ts"]
-
 FROM cache AS build
 RUN deno check src/server.ts
-RUN deno compile --unstable-otel --allow-net --allow-env --allow-read --allow-sys --output=/usr/on-the-edge src/server.ts 
+RUN deno compile --unstable-otel --allow-net --allow-env --allow-read --allow-sys --allow-run --output=/usr/on-the-edge src/server.ts 
 
 FROM build AS final
 RUN rm -r /usr/app

deno.json

@@ -20,7 +20,8 @@
   "tasks": {
     "check": "deno check src/server.ts",
     "test": "deno test --allow-read --allow-env --allow-net",
-    "start": "deno run --unstable-otel --allow-read --allow-env --allow-net --allow-sys ./src/server.ts",
+    "start": "deno run --unstable-otel --allow-read --allow-env --allow-net --allow-sys --allow-run ./src/server.ts",
     "check-deps": "deno run -A jsr:@check/deps"
-  }
+  },
+  "nodeModulesDir": "auto"
 }