Fix: Psycopg2 can’t compile on Buster

Doesn’t appear that Psycopg2 can compile on Debian: Buster.

Author: AlexanderMann

.circleci/config.yml

@@ -112,7 +112,7 @@ jobs:
   cache:
     working_directory: /code/
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
     steps:
       - checkout
       - *restore__cache
@@ -160,63 +160,63 @@ jobs:
   test--12.1:
     <<: *test__base
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
       - image: postgres:12.1
         environment:
           POSTGRES_DB: target_postgres_test
 
   test--11.6:
     <<: *test__base
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
       - image: postgres:11.6
         environment:
           POSTGRES_DB: target_postgres_test
 
   test--10.11:
     <<: *test__base
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
       - image: postgres:10.11
         environment:
           POSTGRES_DB: target_postgres_test
 
   test--9.6.16:
     <<: *test__base
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
       - image: postgres:9.6.16
         environment:
           POSTGRES_DB: target_postgres_test
 
   test--9.5.20:
     <<: *test__base
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
       - image: postgres:9.5.20
         environment:
           POSTGRES_DB: target_postgres_test
 
   test--9.4.25:
     <<: *test__base
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
       - image: postgres:9.4.25
         environment:
           POSTGRES_DB: target_postgres_test
 
   test--8.4.22:
     <<: *test__base
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
       - image: postgres:8.4.22
         environment:
           POSTGRES_DB: target_postgres_test
 
   test--tap-github:
     working_directory: /code/
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
       - image: postgres:9.4.24
         environment:
           POSTGRES_DB: target_postgres_test
@@ -307,7 +307,7 @@ jobs:
   test--migrations:
     working_directory: /code/
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
       - image: postgres:9.4.24
         environment:
           POSTGRES_DB: target_postgres_test
@@ -334,7 +334,7 @@ jobs:
   build:
     working_directory: /code/
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
     steps:
       - checkout
       - *restore__cache
@@ -359,7 +359,7 @@ jobs:
   test-release:
     working_directory: /code/
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
     steps:
       - checkout
       - *restore__cache
@@ -389,7 +389,7 @@ jobs:
   release:
     working_directory: /code/
     docker:
-      - image: python:3.8.1-buster
+      - image: python:3.7.6-stretch
     steps:
       - checkout
       - *restore__cache

docker-compose.yml

@@ -8,7 +8,7 @@ services:
       - "5432:5432"
 
   target-postgres:
-    image: python:3.8.1-buster
+    image: python:3.7.6-stretch
     working_dir: /code
     entrypoint: /code/docker-entrypoint.sh
     environment: