post: Create curl-credentials.md

Author: ftith

content/posts/curl-credentials.md

@@ -0,0 +1,60 @@
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+title = 'Curl with credentials'
+date = 2025-04-17T16:03:08+01:00
+draft = true
+ShowReadingTime = true
+tags = ['docker', 'curl', 'credentials']
+[editPost]
+URL = "https://github.com/ftith/ftith.github.io/edit/main/content"
+Text = "Suggest Changes"
+appendFilePath = true
++++
+
+## Curl with basic authentication user
+```
+curl USER:PASSWORD https://raw.githubusercontent.com/cplee/github-actions-demo/refs/heads/master/package.json
+```
+
+## Curl with netrc file
+```
+touch ~/.netrc
+echo "machine github.com login MY_USERNAME password MY_PASSWORD" > ~/.netrc
+curl -o /tmp/package.json --netrc-file ~/.netrc https://raw.githubusercontent.com/cplee/github-actions-demo/refs/heads/master/package.json
+```
+
+
+## Curl with netrc file within a Dockerfile
+Docker command in your dockerfile:
+```
+RUN --mount=type=secret,id=curl \
+    curl -o /tmp/package.json --netrc-file /run/secrets/curl https://raw.githubusercontent.com/cplee/github-actions-demo/refs/heads/master/package.json
+```
+
+Build your dockerfile passing your credentials
+```
+export CURL_CREDS="machine github.com login MY_USERNAME password MY_PASSWORD"
+docker build --secret id=curl,env=CURL_CREDS .
+```
+
+## Curl with netrc file within a Dockerfile in github actions
+Workflow
+```
+- name: Build and Push Docker Image (only for prod and preprod env)
+  uses: https://github.com/docker/build-push-action@v4
+  with:
+    context: .
+    push: ${{ github.event_name != 'pull_request' && (env.TARGET_ENV == 'prod' || env.TARGET_ENV == 'preprod') }}
+    secrets: |
+      "curl=default ${{ vars.DOMAIN }} login ${{ secrets.USERNAME }} password ${{ secrets.PASSWORD }} protocol https"
+```
+
+Docker command in your dockerfile:
+```
+RUN --mount=type=secret,id=curl \
+    curl -o /tmp/package.json --netrc-file /run/secrets/curl https://raw.githubusercontent.com/cplee/github-actions-demo/refs/heads/master/package.json
+```
+
+
+## Sources
+- https://stackoverflow.com/questions/56284902/how-to-add-credentials-to-docker-add-command
+- https://xanderx.com/post/using-netrc-with-curl-for-automatic-authorisation/