set docker vars for chisel integration test

test/docker-compose.yml

@@ -7,6 +7,8 @@ services:
       context: .
       dockerfile: Dockerfile.devcontainer
       target: devbuild
+    environment:
+      - PEBBLE_WFE_NONCEREJECT=0 # disable nonce rejection for debugging
     volumes:
       - $PWD:/go/src/github.com/letsencrypt/pebble
       - $PWD/test:/test
@@ -29,29 +31,28 @@ services:
     working_dir: /go/src/github.com/letsencrypt/pebble
   # The `test-integration-chisel` service runs the chisel integration tests.
   test-integration-chisel:
-    extra_hosts:
-      - "example.letsencrypt.org:10.30.50.4"
-      - "elpmaxe.letsencrypt.org:10.30.50.4"
     build:
       context: .
       dockerfile: Dockerfile.devcontainer
     command: |
       python -m venv /tmp/venv &&
       . /tmp/venv/bin/activate &&
       pip install -r test/requirements.txt &&
-      PEBBLE_WFE_NONCEREJECT=0 \
-      REQUESTS_CA_BUNDLE=test/certs/pebble.minica.pem \
-        python test/chisel2.py example.letsencrypt.org elpmaxe.letsencrypt.org
+      export REQUESTS_CA_BUNDLE=test/certs/pebble.minica.pem &&
+      python test/chisel2.py example.letsencrypt.org elpmaxe.letsencrypt.org
     depends_on:
       - pebble
       - challtestsrv
     environment:
       - DIRECTORY=https://pebble:14000/dir
+      - LOGLEVEL=10
       - SET_TXT=http://challtestsrv:8055/set-txt
       - CLEAR_TXT=http://challtestsrv:8055/clear-txt
-
     networks:
       acmenet:
+        aliases:
+          - example.letsencrypt.org
+          - elpmaxe.letsencrypt.org
         ipv4_address: 10.30.50.4
     volumes:
       - $PWD:/go/src/github.com/letsencrypt/pebble