tf: Replace localhost with 127.0.0.1 to avoid ipv6

After recent upgrades, the charge environment was interpreting localhost
as an ipv6 address (resolving to ::1) and callback requests were
failing. To avoid this and other potential problems, replace localhost
occurrences with 127.0.0.1 to ensure ipv4.

docker-compose.yml

@@ -14,7 +14,7 @@ services:
       - blc
     environment:
       - CHARGE_ROOT=http://api-token:mySecretToken@blc:9112
-      - CALLBACK_URI_ROOT=http://localhost:9292
+      - CALLBACK_URI_ROOT=http://127.0.0.1:9292
       - CHARGE_API_TOKEN=mySecretToken
       - ENV=development
       - REDIS_URI=redis://redis:6379

server/constants.py

@@ -41,12 +41,12 @@ DEFAULT_TX_CONFIRM_TIMEOUT_SECS = 60
 
 SERVER_PORT = 9292
 CALLBACK_URI_ROOT = os.getenv('CALLBACK_URI_ROOT',
-                              "http://localhost:{}".format(SERVER_PORT))
+                              "http://127.0.0.1:{}".format(SERVER_PORT))
 CHARGE_API_TOKEN = os.getenv('CHARGE_API_TOKEN', str(uuid.uuid4()))
 LIGHTNING_WEBHOOK_KEY = hmac_sha256_digest('charged-token', CHARGE_API_TOKEN)
 
 CHARGE_ROOT = os.getenv('CHARGE_ROOT',
-                        f'http://api-token:{CHARGE_API_TOKEN}@localhost:9112')
+                        f'http://api-token:{CHARGE_API_TOKEN}@127.0.0.1:9112')
 CONNECTION_TIMEOUT = 2
 DB_FILE = db_conf[env]['database']
 DB_ROOT = os.path.dirname(DB_FILE)

terraform/modules/blc/cloud-init/blc.yaml

@@ -248,11 +248,11 @@ write_files:
             --log-opt max-file=3 \
             -v /mnt/disks/data/satellite-api:/data \
             -e "ENV=production" \
-            -e "CHARGE_ROOT=http://api-token:${charge_token}@localhost:9112" \
-            -e "CALLBACK_URI_ROOT=http://localhost:9292" \
+            -e "CHARGE_ROOT=http://api-token:${charge_token}@127.0.0.1:9112" \
+            -e "CALLBACK_URI_ROOT=http://127.0.0.1:9292" \
             -e "CHARGE_API_TOKEN=${charge_token}" \
             -e "MIN_PER_BYTE_BID=1" \
-            -e "REDIS_URI=redis://localhost:6379" \
+            -e "REDIS_URI=redis://127.0.0.1:6379" \
             "${sat_api_docker}"
         ExecStop=/usr/bin/docker stop api-server
         ExecStopPost=/usr/bin/docker rm api-server
@@ -279,7 +279,7 @@ write_files:
             --pid=host \
             --name=sse-server \
             -e "SUB_CHANNELS=transmissions,gossip,btc-src,auth" \
-            -e "REDIS_URI=redis://localhost:6379" \
+            -e "REDIS_URI=redis://127.0.0.1:6379" \
             "${sat_api_sse_docker}"
         ExecStop=/usr/bin/docker stop sse-server
         ExecStopPost=/usr/bin/docker rm sse-server
@@ -304,7 +304,7 @@ write_files:
             --name=api-workers \
             -v /mnt/disks/data/satellite-api:/data \
             -e ENV="production" \
-            -e "REDIS_URI=redis://localhost:6379" \
+            -e "REDIS_URI=redis://127.0.0.1:6379" \
             "${sat_api_docker}" workers.sh
         ExecStop=/usr/bin/docker stop api-workers
         ExecStopPost=/usr/bin/docker rm api-workers