1. The problem I’m having:
cors error while calling api
Getting CORS error, web pages are at www.ab.com (CDN) and api on a.ab.com (caddy) ?
2. Error messages and/or full log output:
how to fix Referrer Policy: no-referrer-when-downgrade on caddy server with json config, getting CORS error.
3. Caddy version:
v2.6.4 h1:2hwYqiRwk1tf3VruhMpLcYTg+11fCdr8S3jhNAdnPy8=
4. How I installed and ran Caddy:
In a docker swarm as a docker service, works/ starts fine.
a. System environment:
docker swarm
b. Command:
docker service create // config
c. Service/unit/compose file:
NA
d. My complete Caddy config:
{
"admin": {
"disabled": false
},
"logging": {
"logs": {
"": {
"level": "DEBUG"
}
}
},
"apps": {
"http": {
"http_port": 80,
"servers": {
"example": {
"listen": [
":443"
],
"routes": [
{
"match": [
{
"host": [
"ab.com"
]
}
],
"handle": [
{
"handler": "subroute",
"routes": [
{
"handle": [
{
"handler": "static_response",
"headers": {
"Location": [
"https://www.ab.com{http.request.uri}"
]
},
"status_code": 302
}
]
}
]
}
],
"terminal": true
},
{
"match": [
{
"path": [
"/chacode_mo_co_wss_4_s"
],
"header": {
"Access-Control-Allow-Origin":["*"],
"Access-Control-Allow-Methods":["*"],
"Access-Control-Allow-Headers":["*"],
"Connection": [
"*Upgrade*"
],
"Upgrade": [
"websocket"
]
}
}
],
"handle": [
{
"handler": "reverse_proxy",
"transport":{
"protocol": "http"
},
"upstreams": [
{
"dial": "aman-sock-4-s:80"
}
]
}
]
},
{
"match": [
{
"path": [
"/tracker",
"/mo_co_tracker_4_s"
],
"header": {
"Access-Control-Allow-Origin":["*"],
"Access-Control-Allow-Methods":["*"],
"Access-Control-Allow-Headers":["*"]
}
}
],
"handle": [
{
"handler": "reverse_proxy",
"transport":{
"protocol": "http"
},
"upstreams": [
{
"dial": "aman-tracker-4-s:80"
}
]
}
]
},
{
"match": [
{
"path": [
"/mo_jo",
"/mo_co",
"/mo_co_c_2_s"
]
}
],
"handle": [
{
"handler": "reverse_proxy",
"header": {
"Access-Control-Allow-Origin":["*"],
"Access-Control-Allow-Methods":["*"],
"Access-Control-Allow-Headers":["*"]
},
"transport": {
"protocol": "http"
},
"upstreams": [
{
"dial": "aman-c-2-s:80"
}
]
}
]
},
{
"match": [
{
"path": [
"/mo_co_filewrite_2_s",
"/mo_co_filewrite_2_s/loadFile",
"/gt1"
]
}
],
"handle": [
{
"handler": "reverse_proxy",
"transport": {
"protocol": "http"
},
"upstreams": [
{
"dial": "aman-filewrite-2-s:80"
}
]
}
]
},
{
"handle": [
{
"handler": "reverse_proxy",
"transport": {
"protocol": "http"
},
"upstreams": [
{
"dial": "aman-a-4-s:80"
}
]
}
]
},
{
"handle": [
{
"handler": "static_response",
"body": "Hello, world 23!"
}
]
}
],
"tls_connection_policies": [
{}
],
"automatic_https": {
"disable_redirects": false
},
"logs": {}
}
}
}
}
}
5. Links to relevant resources:
trying to refer to : JSON Config Structure - Caddy Documentation
Getting CORS error, web pages are at www.ab.com (CDN) and api on a.ab.com (caddy) ?
Request Method: OPTIONS
Status Code: 308
Note: i have a cloudflare as the DNS provider for CDN.
CAn i pls get some more examples around json config its really hard to start.