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infiniflow / ragflow

RAGFlow is an open-source RAG (Retrieval-Augmented Generation) engine based on deep document understanding.
https://ragflow.io
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[Question]: Why mysql container is not standing up using docker compose #1799

Open tanerozel opened 3 months ago

tanerozel commented 3 months ago

Hi, I am starting the project using docker compose, all services are working but mysql container is not running. I use Macbook m1

✘ Container ragflow-mysql Error0.0s ! mysql The requested image's platform (linux/amd64) does not match the detected host platform (linux/arm64/v8) and no specific platform was requested 0.0s ✔ Container ragflow-server Created0.1s ! ragflow The requested image's platform (linux/amd64) does not match the detected host platform (linux/arm64/v8) and no specific platform was requested 0.0s dependency failed to start: container ragflow-mysql is unhealth

Mysql Logs: 2024-08-03 11:33:59 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:33:59 fatal error: newosproc 2024-08-03 11:33:59 2024-08-03 11:33:59 runtime stack: 2024-08-03 11:33:59 runtime.throw(0x524da0, 0x9) 2024-08-03 11:33:59 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:33:59 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:33:59 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:33:59 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:33:59 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:33:59 runtime.main.func1() 2024-08-03 11:33:59 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:33:59 runtime.systemstack(0x5c4300) 2024-08-03 11:33:59 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:33:59 runtime.mstart() 2024-08-03 11:33:59 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:33:59 2024-08-03 11:33:59 goroutine 1 [running]: 2024-08-03 11:33:59 runtime.systemstack_switch() 2024-08-03 11:33:59 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:33:59 runtime.main() 2024-08-03 11:33:59 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:33:59 runtime.goexit() 2024-08-03 11:33:59 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0 2024-08-03 11:34:00 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:34:00 fatal error: newosproc 2024-08-03 11:34:00 2024-08-03 11:34:00 runtime stack: 2024-08-03 11:34:00 runtime.throw(0x524da0, 0x9) 2024-08-03 11:34:00 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:34:00 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:34:00 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:34:00 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:34:00 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:34:00 runtime.main.func1() 2024-08-03 11:34:00 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:34:00 runtime.systemstack(0x5c4300) 2024-08-03 11:34:00 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:34:00 runtime.mstart() 2024-08-03 11:34:00 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:34:00 2024-08-03 11:34:00 goroutine 1 [running]: 2024-08-03 11:34:00 runtime.systemstack_switch() 2024-08-03 11:34:00 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:34:00 runtime.main() 2024-08-03 11:34:00 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:34:00 runtime.goexit() 2024-08-03 11:34:00 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0 2024-08-03 11:34:01 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:34:01 fatal error: newosproc 2024-08-03 11:34:01 2024-08-03 11:34:01 runtime stack: 2024-08-03 11:34:01 runtime.throw(0x524da0, 0x9) 2024-08-03 11:34:01 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:34:01 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:34:01 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:34:01 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:34:01 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:34:01 runtime.main.func1() 2024-08-03 11:34:01 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:34:01 runtime.systemstack(0x5c4300) 2024-08-03 11:34:01 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:34:01 runtime.mstart() 2024-08-03 11:34:01 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:34:01 2024-08-03 11:34:01 goroutine 1 [running]: 2024-08-03 11:34:01 runtime.systemstack_switch() 2024-08-03 11:34:01 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:34:01 runtime.main() 2024-08-03 11:34:01 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:34:01 runtime.goexit() 2024-08-03 11:34:01 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0 2024-08-03 11:34:02 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:34:02 fatal error: newosproc 2024-08-03 11:34:02 2024-08-03 11:34:02 runtime stack: 2024-08-03 11:34:02 runtime.throw(0x524da0, 0x9) 2024-08-03 11:34:02 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:34:02 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:34:02 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:34:02 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:34:02 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:34:02 runtime.main.func1() 2024-08-03 11:34:02 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:34:02 runtime.systemstack(0x5c4300) 2024-08-03 11:34:02 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:34:02 runtime.mstart() 2024-08-03 11:34:02 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:34:02 2024-08-03 11:34:02 goroutine 1 [running]: 2024-08-03 11:34:02 runtime.systemstack_switch() 2024-08-03 11:34:02 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:34:02 runtime.main() 2024-08-03 11:34:02 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:34:02 runtime.goexit() 2024-08-03 11:34:02 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0 2024-08-03 11:34:06 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:34:06 fatal error: newosproc 2024-08-03 11:34:06 2024-08-03 11:34:06 runtime stack: 2024-08-03 11:34:06 runtime.throw(0x524da0, 0x9) 2024-08-03 11:34:06 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:34:06 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:34:06 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:34:06 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:34:06 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:34:06 runtime.main.func1() 2024-08-03 11:34:06 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:34:06 runtime.systemstack(0x5c4300) 2024-08-03 11:34:06 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:34:06 runtime.mstart() 2024-08-03 11:34:06 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:34:06 2024-08-03 11:34:06 goroutine 1 [running]: 2024-08-03 11:34:06 runtime.systemstack_switch() 2024-08-03 11:34:06 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:34:06 runtime.main() 2024-08-03 11:34:06 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:34:06 runtime.goexit() 2024-08-03 11:34:06 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0 2024-08-03 11:34:08 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:34:08 fatal error: newosproc 2024-08-03 11:34:08 2024-08-03 11:34:08 runtime stack: 2024-08-03 11:34:08 runtime.throw(0x524da0, 0x9) 2024-08-03 11:34:08 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:34:08 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:34:08 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:34:08 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:34:08 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:34:08 runtime.main.func1() 2024-08-03 11:34:08 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:34:08 runtime.systemstack(0x5c4300) 2024-08-03 11:34:08 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:34:08 runtime.mstart() 2024-08-03 11:34:08 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:34:08 2024-08-03 11:34:08 goroutine 1 [running]: 2024-08-03 11:34:08 runtime.systemstack_switch() 2024-08-03 11:34:08 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:34:08 runtime.main() 2024-08-03 11:34:08 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:34:08 runtime.goexit() 2024-08-03 11:34:08 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0 2024-08-03 11:34:13 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:34:13 fatal error: newosproc 2024-08-03 11:34:13 2024-08-03 11:34:13 runtime stack: 2024-08-03 11:34:13 runtime.throw(0x524da0, 0x9) 2024-08-03 11:34:13 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:34:13 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:34:13 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:34:13 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:34:13 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:34:13 runtime.main.func1() 2024-08-03 11:34:13 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:34:13 runtime.systemstack(0x5c4300) 2024-08-03 11:34:13 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:34:13 runtime.mstart() 2024-08-03 11:34:13 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:34:13 2024-08-03 11:34:13 goroutine 1 [running]: 2024-08-03 11:34:13 runtime.systemstack_switch() 2024-08-03 11:34:13 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:34:13 runtime.main() 2024-08-03 11:34:13 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:34:13 runtime.goexit() 2024-08-03 11:34:13 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0 2024-08-03 11:34:20 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:34:20 fatal error: newosproc 2024-08-03 11:34:20 2024-08-03 11:34:20 runtime stack: 2024-08-03 11:34:20 runtime.throw(0x524da0, 0x9) 2024-08-03 11:34:20 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:34:20 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:34:20 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:34:20 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:34:20 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:34:20 runtime.main.func1() 2024-08-03 11:34:20 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:34:20 runtime.systemstack(0x5c4300) 2024-08-03 11:34:20 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:34:20 runtime.mstart() 2024-08-03 11:34:20 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:34:20 2024-08-03 11:34:20 goroutine 1 [running]: 2024-08-03 11:34:20 runtime.systemstack_switch() 2024-08-03 11:34:20 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:34:20 runtime.main() 2024-08-03 11:34:20 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:34:20 runtime.goexit() 2024-08-03 11:34:20 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0 2024-08-03 11:34:34 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:34:34 fatal error: newosproc 2024-08-03 11:34:34 2024-08-03 11:34:34 runtime stack: 2024-08-03 11:34:34 runtime.throw(0x524da0, 0x9) 2024-08-03 11:34:34 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:34:34 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:34:34 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:34:34 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:34:34 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:34:34 runtime.main.func1() 2024-08-03 11:34:34 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:34:34 runtime.systemstack(0x5c4300) 2024-08-03 11:34:34 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:34:34 runtime.mstart() 2024-08-03 11:34:34 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:34:34 2024-08-03 11:34:34 goroutine 1 [running]: 2024-08-03 11:34:34 runtime.systemstack_switch() 2024-08-03 11:34:34 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:34:34 runtime.main() 2024-08-03 11:34:34 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:34:34 runtime.goexit() 2024-08-03 11:34:34 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0 2024-08-03 11:35:00 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:35:00 fatal error: newosproc 2024-08-03 11:35:00 2024-08-03 11:35:00 runtime stack: 2024-08-03 11:35:00 runtime.throw(0x524da0, 0x9) 2024-08-03 11:35:00 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:35:00 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:35:00 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:35:00 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:35:00 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:35:00 runtime.main.func1() 2024-08-03 11:35:00 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:35:00 runtime.systemstack(0x5c4300) 2024-08-03 11:35:00 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:35:00 runtime.mstart() 2024-08-03 11:35:00 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:35:00 2024-08-03 11:35:00 goroutine 1 [running]: 2024-08-03 11:35:00 runtime.systemstack_switch() 2024-08-03 11:35:00 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:35:00 runtime.main() 2024-08-03 11:35:00 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:35:00 runtime.goexit() 2024-08-03 11:35:00 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0 2024-08-03 11:35:52 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:35:52 fatal error: newosproc 2024-08-03 11:35:52 2024-08-03 11:35:52 runtime stack: 2024-08-03 11:35:52 runtime.throw(0x524da0, 0x9) 2024-08-03 11:35:52 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:35:52 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:35:52 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:35:52 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:35:52 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:35:52 runtime.main.func1() 2024-08-03 11:35:52 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:35:52 runtime.systemstack(0x5c4300) 2024-08-03 11:35:52 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:35:52 runtime.mstart() 2024-08-03 11:35:52 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:35:52 2024-08-03 11:35:52 goroutine 1 [running]: 2024-08-03 11:35:52 runtime.systemstack_switch() 2024-08-03 11:35:52 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:35:52 runtime.main() 2024-08-03 11:35:52 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:35:52 runtime.goexit() 2024-08-03 11:35:52 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0 2024-08-03 11:36:52 runtime: failed to create new OS thread (have 2 already; errno=22) 2024-08-03 11:36:52 fatal error: newosproc 2024-08-03 11:36:52 2024-08-03 11:36:52 runtime stack: 2024-08-03 11:36:52 runtime.throw(0x524da0, 0x9) 2024-08-03 11:36:52 /usr/local/go/src/runtime/panic.go:527 +0x90 2024-08-03 11:36:52 runtime.newosproc(0xc820034000, 0xc820043fc0) 2024-08-03 11:36:52 /usr/local/go/src/runtime/os1_linux.go:150 +0x1ab 2024-08-03 11:36:52 runtime.newm(0x555ce8, 0x0) 2024-08-03 11:36:52 /usr/local/go/src/runtime/proc1.go:1105 +0x130 2024-08-03 11:36:52 runtime.main.func1() 2024-08-03 11:36:52 /usr/local/go/src/runtime/proc.go:48 +0x2c 2024-08-03 11:36:52 runtime.systemstack(0x5c4300) 2024-08-03 11:36:52 /usr/local/go/src/runtime/asm_amd64.s:262 +0x79 2024-08-03 11:36:52 runtime.mstart() 2024-08-03 11:36:52 /usr/local/go/src/runtime/proc1.go:674 2024-08-03 11:36:52 2024-08-03 11:36:52 goroutine 1 [running]: 2024-08-03 11:36:52 runtime.systemstack_switch() 2024-08-03 11:36:52 /usr/local/go/src/runtime/asm_amd64.s:216 fp=0xc82002e770 sp=0xc82002e768 2024-08-03 11:36:52 runtime.main() 2024-08-03 11:36:52 /usr/local/go/src/runtime/proc.go:49 +0x62 fp=0xc82002e7c0 sp=0xc82002e770 2024-08-03 11:36:52 runtime.goexit() 2024-08-03 11:36:52 /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82002e7c8 sp=0xc82002e7c0

KevinHuSh commented 3 months ago

Is it on MACOS. Change it to mariaDB, and set MACOS=1 in docker/.env

tanerozel commented 3 months ago

@KevinHuSh I tried it before and it didn't work, and now I tried it again and it didn't work. Why can't we find a radical solution to this? This problem is experienced by many people. Can we use postgresql instead of mysql?