chore: pin actions to their sha instead of tag

.github/workflows/build-docs.yml

@@ -20,7 +20,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
 
       - name: Install uv
         uses: astral-sh/setup-uv@cec208311dfd045dd5311c1add060b2062131d57 # v8.0.0

.github/workflows/build-ui.yml

@@ -65,7 +65,7 @@ jobs:
               run: npm run test:e2e
             - name: Upload Playwright report
               if: failure()
-              uses: actions/upload-artifact@v4
+              uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
               with:
                   name: playwright-report
                   path: webapp/playwright-report

.github/workflows/deploy-docs.yml

@@ -32,7 +32,7 @@ jobs:
       contents: write  # push to gh-pages
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           fetch-depth: 0
 

.github/workflows/scorecard.yml

@@ -73,6 +73,6 @@ jobs:
       # Upload the results to GitHub's code scanning dashboard (optional).
       # Commenting out will disable upload of results to your repo's Code Scanning dashboard
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@e60ea984bd3baa95954f2856bcf24f9eaba46637 # v3
         with:
           sarif_file: results.sarif

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   postgres:
-    image: postgres:13
+    image: postgres:16@sha256:33f923b05f64ca54ac4401c01126a6b92afe839a0aa0a52bc5aeb5cc958e5f20
     environment:
       POSTGRES_DB: codecarbon_db
       POSTGRES_USER: codecarbon-user

webapp/Dockerfile

@@ -1,11 +1,11 @@
-FROM node:24-alpine AS build
+FROM node:24-alpine@sha256:d32cdf619f63fe0471182d08996dd516c6275bb5fd31ae06e55a570bd9e1ad43 AS build
 WORKDIR /app
 COPY package.json pnpm-lock.yaml ./
 RUN npm install -g pnpm@10.8.0 && pnpm install --frozen-lockfile
 COPY . .
 RUN pnpm build
 
-FROM nginx:1.27-alpine
+FROM nginx:1.27-alpine@sha256:65645c7bb6a0661892a8b03b89d0743208a18dd2f3f17a54ef4b76fb8e2f2a10
 COPY --from=build /app/dist /usr/share/nginx/html
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 EXPOSE 80