use && instead of ; to chain sh commands

this makes next command execute only if the prior one is successful, otherwise all commands will execute

Author: kaznovac

doctrine/doctrine-bundle/1.6/manifest.json

@@ -15,9 +15,9 @@
         "DATABASE_URL": "postgresql://db_user:db_password@127.0.0.1:5432/db_name?serverVersion=13&charset=utf8"
     },
     "dockerfile": [
-        "RUN apk add --no-cache --virtual .pgsql-deps postgresql-dev; \\",
-        "\tdocker-php-ext-install -j$(nproc) pdo_pgsql; \\",
-        "\tapk add --no-cache --virtual .pgsql-rundeps so:libpq.so.5; \\",
+        "RUN apk add --no-cache --virtual .pgsql-deps postgresql-dev && \\",
+        "\tdocker-php-ext-install -j$(nproc) pdo_pgsql && \\",
+        "\tapk add --no-cache --virtual .pgsql-rundeps so:libpq.so.5 && \\",
         "\tapk del .pgsql-deps"
     ],
     "docker-compose": {