refactor: switch S3 client from aws sdk to minio

go.mod

@@ -6,10 +6,6 @@ require (
 	code.pfad.fr/risefront v1.0.0
 	github.com/0xJacky/pofile v1.1.0
 	github.com/BurntSushi/toml v1.5.0
-	github.com/aws/aws-sdk-go-v2 v1.36.5
-	github.com/aws/aws-sdk-go-v2/config v1.29.17
-	github.com/aws/aws-sdk-go-v2/credentials v1.17.70
-	github.com/aws/aws-sdk-go-v2/service/s3 v1.83.0
 	github.com/blevesearch/bleve/v2 v2.5.2
 	github.com/caarlos0/env/v11 v11.3.1
 	github.com/casdoor/casdoor-go-sdk v1.7.0
@@ -33,6 +29,7 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/gorilla/websocket v1.5.3
 	github.com/mark3labs/mcp-go v0.32.0
+	github.com/minio/minio-go/v7 v7.0.94
 	github.com/minio/selfupdate v0.6.0
 	github.com/nikoksr/notify v1.3.0
 	github.com/nxadm/tail v1.4.11
@@ -87,16 +84,15 @@ require (
 	github.com/RoaringBitmap/roaring/v2 v2.4.5 // indirect
 	github.com/akamai/AkamaiOPEN-edgegrid-golang v1.2.2 // indirect
 	github.com/aliyun/aliyun-log-go-sdk v0.1.101 // indirect
-	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.6.11 // indirect
+	github.com/aws/aws-sdk-go-v2 v1.36.5 // indirect
+	github.com/aws/aws-sdk-go-v2/config v1.29.17 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.17.70 // indirect
 	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.32 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.36 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.36 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.3 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/v4a v1.3.36 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.12.4 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.7.4 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.12.17 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.18.17 // indirect
 	github.com/aws/aws-sdk-go-v2/service/lightsail v1.43.4 // indirect
 	github.com/aws/aws-sdk-go-v2/service/route53 v1.52.2 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sso v1.25.5 // indirect
@@ -152,6 +148,7 @@ require (
 	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
 	github.com/gin-contrib/sse v1.1.0 // indirect
 	github.com/go-errors/errors v1.5.1 // indirect
+	github.com/go-ini/ini v1.67.0 // indirect
 	github.com/go-jose/go-jose/v4 v4.1.1 // indirect
 	github.com/go-kit/kit v0.13.0 // indirect
 	github.com/go-kit/log v0.2.1 // indirect
@@ -220,6 +217,8 @@ require (
 	github.com/mattn/go-sqlite3 v1.14.28 // indirect
 	github.com/miekg/dns v1.1.66 // indirect
 	github.com/mimuret/golang-iij-dpf v0.9.1 // indirect
+	github.com/minio/crc64nvme v1.0.1 // indirect
+	github.com/minio/md5-simd v1.1.2 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
@@ -248,6 +247,7 @@ require (
 	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/peterhellberg/link v1.2.0 // indirect
+	github.com/philhofer/fwd v1.1.3-0.20240916144458-20a13a1f6b7c // indirect
 	github.com/pierrec/lz4/v4 v4.1.22 // indirect
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
@@ -260,6 +260,7 @@ require (
 	github.com/redis/go-redis/v9 v9.11.0 // indirect
 	github.com/regfish/regfish-dnsapi-go v0.1.1 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
+	github.com/rs/xid v1.6.0 // indirect
 	github.com/sagikazarmark/locafero v0.9.0 // indirect
 	github.com/scaleway/scaleway-sdk-go v1.0.0-beta.33 // indirect
 	github.com/selectel/domains-go v1.1.0 // indirect
@@ -279,6 +280,7 @@ require (
 	github.com/technoweenie/multipartstreamer v1.0.1 // indirect
 	github.com/timtadh/data-structures v0.6.2 // indirect
 	github.com/timtadh/lexmachine v0.2.3 // indirect
+	github.com/tinylib/msgp v1.3.0 // indirect
 	github.com/tklauser/go-sysconf v0.3.15 // indirect
 	github.com/tklauser/numcpus v0.10.0 // indirect
 	github.com/transip/gotransip/v6 v6.26.0 // indirect

go.sum

@@ -745,8 +745,6 @@ github.com/aws/aws-sdk-go v1.55.7/go.mod h1:eRwEWoyTWFMVYVQzKMNHWP5/RV4xIUGMQfXQ
 github.com/aws/aws-sdk-go-v2 v1.9.1/go.mod h1:cK/D0BBs0b/oWPIcX/Z/obahJK1TT7IPVjy53i/mX/4=
 github.com/aws/aws-sdk-go-v2 v1.36.5 h1:0OF9RiEMEdDdZEMqF9MRjevyxAQcf6gY+E7vwBILFj0=
 github.com/aws/aws-sdk-go-v2 v1.36.5/go.mod h1:EYrzvCCN9CMUTa5+6lf6MM4tq3Zjp8UhSGR/cBsjai0=
-github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.6.11 h1:12SpdwU8Djs+YGklkinSSlcrPyj3H4VifVsKf78KbwA=
-github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.6.11/go.mod h1:dd+Lkp6YmMryke+qxW/VnKyhMBDTYP41Q2Bb+6gNZgY=
 github.com/aws/aws-sdk-go-v2/config v1.29.17 h1:jSuiQ5jEe4SAMH6lLRMY9OVC+TqJLP5655pBGjmnjr0=
 github.com/aws/aws-sdk-go-v2/config v1.29.17/go.mod h1:9P4wwACpbeXs9Pm9w1QTh6BwWwJjwYvJ1iCt5QbCXh8=
 github.com/aws/aws-sdk-go-v2/credentials v1.17.70 h1:ONnH5CM16RTXRkS8Z1qg7/s2eDOhHhaXVd72mmyv4/0=
@@ -759,23 +757,15 @@ github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.36 h1:i2vNHQiXUvKhs3quBR
 github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.36/go.mod h1:UdyGa7Q91id/sdyHPwth+043HhmP6yP9MBHgbZM0xo8=
 github.com/aws/aws-sdk-go-v2/internal/ini v1.8.3 h1:bIqFDwgGXXN1Kpp99pDOdKMTTb5d2KyU5X/BZxjOkRo=
 github.com/aws/aws-sdk-go-v2/internal/ini v1.8.3/go.mod h1:H5O/EsxDWyU+LP/V8i5sm8cxoZgc2fdNR9bxlOFrQTo=
-github.com/aws/aws-sdk-go-v2/internal/v4a v1.3.36 h1:GMYy2EOWfzdP3wfVAGXBNKY5vK4K8vMET4sYOYltmqs=
-github.com/aws/aws-sdk-go-v2/internal/v4a v1.3.36/go.mod h1:gDhdAV6wL3PmPqBhiPbnlS447GoWs8HTTOYef9/9Inw=
 github.com/aws/aws-sdk-go-v2/service/cloudwatch v1.8.1/go.mod h1:CM+19rL1+4dFWnOQKwDc7H1KwXTz+h61oUSHyhV0b3o=
 github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.12.4 h1:CXV68E2dNqhuynZJPB80bhPQwAKqBWVer887figW6Jc=
 github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.12.4/go.mod h1:/xFi9KtvBXP97ppCz1TAEvU1Uf66qvid89rbem3wCzQ=
-github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.7.4 h1:nAP2GYbfh8dd2zGZqFRSMlq+/F6cMPBUuCsGAMkN074=
-github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.7.4/go.mod h1:LT10DsiGjLWh4GbjInf9LQejkYEhBgBCjLG5+lvk4EE=
 github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.12.17 h1:t0E6FzREdtCsiLIoLCWsYliNsRBgyGD/MCK571qk4MI=
 github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.12.17/go.mod h1:ygpklyoaypuyDvOM5ujWGrYWpAK3h7ugnmKCU/76Ys4=
-github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.18.17 h1:qcLWgdhq45sDM9na4cvXax9dyLitn8EYBRl8Ak4XtG4=
-github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.18.17/go.mod h1:M+jkjBFZ2J6DJrjMv2+vkBbuht6kxJYtJiwoVgX4p4U=
 github.com/aws/aws-sdk-go-v2/service/lightsail v1.43.4 h1:0WHz7LVS1JHOMaJJ2uc7vvMERopVfNQE1Dil2yu6Wqw=
 github.com/aws/aws-sdk-go-v2/service/lightsail v1.43.4/go.mod h1:2VS/H/N3xtI0VxFja/1Aqy1FscPkVyju4Uq9J08L6Ms=
 github.com/aws/aws-sdk-go-v2/service/route53 v1.52.2 h1:dXHWVVPx2W2fq2PTugj8QXpJ0YTRAGx0KLPKhMBmcsY=
 github.com/aws/aws-sdk-go-v2/service/route53 v1.52.2/go.mod h1:wi1naoiPnCQG3cyjsivwPON1ZmQt/EJGxFqXzubBTAw=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.83.0 h1:5Y75q0RPQoAbieyOuGLhjV9P3txvYgXv2lg0UwJOfmE=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.83.0/go.mod h1:kUklwasNoCn5YpyAqC/97r6dzTA1SRKJfKq16SXeoDU=
 github.com/aws/aws-sdk-go-v2/service/sso v1.25.5 h1:AIRJ3lfb2w/1/8wOOSqYb9fUKGwQbtysJ2H1MofRUPg=
 github.com/aws/aws-sdk-go-v2/service/sso v1.25.5/go.mod h1:b7SiVprpU+iGazDUqvRSLf5XmCdn+JtT1on7uNL6Ipc=
 github.com/aws/aws-sdk-go-v2/service/ssooidc v1.30.3 h1:BpOxT3yhLwSJ77qIY3DoHAQjZsc4HEGfMCE4NGy3uFg=
@@ -1036,6 +1026,8 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gormigrate/gormigrate/v2 v2.1.4 h1:KOPEt27qy1cNzHfMZbp9YTmEuzkY4F4wrdsJW9WFk1U=
 github.com/go-gormigrate/gormigrate/v2 v2.1.4/go.mod h1:y/6gPAH6QGAgP1UfHMiXcqGeJ88/GRQbfCReE1JJD5Y=
+github.com/go-ini/ini v1.67.0 h1:z6ZrTEZqSWOTyH2FlglNbNgARyHG8oLW9gMELqKr06A=
+github.com/go-ini/ini v1.67.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
 github.com/go-jose/go-jose/v4 v4.1.1 h1:JYhSgy4mXXzAdF3nUx3ygx347LRXJRrpgyU3adRmkAI=
 github.com/go-jose/go-jose/v4 v4.1.1/go.mod h1:BdsZGqgdO3b6tTc6LSE56wcDbMMLuPsw5d4ZD5f94kA=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
@@ -1445,6 +1437,7 @@ github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47e
 github.com/klauspost/compress v1.15.9/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
 github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
 github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
+github.com/klauspost/cpuid/v2 v2.0.1/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/klauspost/cpuid/v2 v2.2.11 h1:0OwqZRYI2rFrjS4kvkDnqJkKHdHaRnCm68/DY4OxRzU=
 github.com/klauspost/cpuid/v2 v2.2.11/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
@@ -1550,8 +1543,14 @@ github.com/mimuret/golang-iij-dpf v0.9.1 h1:Gj6EhHJkOhr+q2RnvRPJsPMcjuVnWPSccEHy
 github.com/mimuret/golang-iij-dpf v0.9.1/go.mod h1:sl9KyOkESib9+KRD3HaGpgi1xk7eoN2+d96LCLsME2M=
 github.com/minio/asm2plan9s v0.0.0-20200509001527-cdd76441f9d8/go.mod h1:mC1jAcsrzbxHt8iiaC+zU4b1ylILSosueou12R++wfY=
 github.com/minio/c2goasm v0.0.0-20190812172519-36a3d3bbc4f3/go.mod h1:RagcQ7I8IeTMnF8JTXieKnO4Z6JCsikNEzj0DwauVzE=
+github.com/minio/crc64nvme v1.0.1 h1:DHQPrYPdqK7jQG/Ls5CTBZWeex/2FMS3G5XGkycuFrY=
+github.com/minio/crc64nvme v1.0.1/go.mod h1:eVfm2fAzLlxMdUGc0EEBGSMmPwmXD5XiNRpnu9J3bvg=
 github.com/minio/highwayhash v1.0.1/go.mod h1:BQskDq+xkJ12lmlUUi7U0M5Swg3EWR+dLTk+kldvVxY=
 github.com/minio/highwayhash v1.0.2/go.mod h1:BQskDq+xkJ12lmlUUi7U0M5Swg3EWR+dLTk+kldvVxY=
+github.com/minio/md5-simd v1.1.2 h1:Gdi1DZK69+ZVMoNHRXJyNcxrMA4dSxoYHZSQbirFg34=
+github.com/minio/md5-simd v1.1.2/go.mod h1:MzdKDxYpY2BT9XQFocsiZf/NKVtR7nkE4RoEpN+20RM=
+github.com/minio/minio-go/v7 v7.0.94 h1:1ZoksIKPyaSt64AVOyaQvhDOgVC3MfZsWM6mZXRUGtM=
+github.com/minio/minio-go/v7 v7.0.94/go.mod h1:71t2CqDt3ThzESgZUlU1rBN54mksGGlkLcFgguDnnAc=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
 github.com/mitchellh/cli v1.1.0/go.mod h1:xcISNoH86gajksDmfB23e/pu+B+GeFRMYmoHXxx3xhI=
 github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
@@ -1688,6 +1687,8 @@ github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8
 github.com/performancecopilot/speed/v4 v4.0.0/go.mod h1:qxrSyuDGrTOWfV+uKRFhfxw6h/4HXRGUiZiufxo49BM=
 github.com/peterhellberg/link v1.2.0 h1:UA5pg3Gp/E0F2WdX7GERiNrPQrM1K6CVJUUWfHa4t6c=
 github.com/peterhellberg/link v1.2.0/go.mod h1:gYfAh+oJgQu2SrZHg5hROVRQe1ICoK0/HHJTcE0edxc=
+github.com/philhofer/fwd v1.1.3-0.20240916144458-20a13a1f6b7c h1:dAMKvw0MlJT1GshSTtih8C2gDs04w8dReiOGXrGLNoY=
+github.com/philhofer/fwd v1.1.3-0.20240916144458-20a13a1f6b7c/go.mod h1:RqIHx9QI14HlwKwm98g9Re5prTQ6LdeRQn+gXJFxsJM=
 github.com/phpdave11/gofpdf v1.4.2/go.mod h1:zpO6xFn9yxo3YLyMvW8HcKWVdbNqgIfOOp2dXMnm1mY=
 github.com/phpdave11/gofpdi v1.0.12/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
 github.com/phpdave11/gofpdi v1.0.13/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
@@ -1778,6 +1779,8 @@ github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/f
 github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
 github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
 github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
+github.com/rs/xid v1.6.0 h1:fV591PaemRlL6JfRxGDEPl69wICngIQ3shQtzfy2gxU=
+github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
 github.com/rs/zerolog v1.13.0/go.mod h1:YbFCdg8HfsridGWAh22vktObvhZbQsZXe4/zB0OKkWU=
 github.com/rs/zerolog v1.15.0/go.mod h1:xYTKnLHcpfU2225ny5qZjxnj9NvkumZYjJHlAThCjNc=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
@@ -1898,6 +1901,8 @@ github.com/timtadh/getopt v1.0.0/go.mod h1:L3EL6YN2G0eIAhYBo9b7SB9d/kEQmdnwthIlM
 github.com/timtadh/lexmachine v0.2.2/go.mod h1:GBJvD5OAfRn/gnp92zb9KTgHLB7akKyxmVivoYCcjQI=
 github.com/timtadh/lexmachine v0.2.3 h1:ZqlfHnfMcAygtbNM5Gv7jQf8hmM8LfVzDjfCrq235NQ=
 github.com/timtadh/lexmachine v0.2.3/go.mod h1:oK1NW+93fQSIF6s+J6sXBFWsCPCFbNmrwKV1i0aqvW0=
+github.com/tinylib/msgp v1.3.0 h1:ULuf7GPooDaIlbyvgAxBV/FI7ynli6LZ1/nVUNu+0ww=
+github.com/tinylib/msgp v1.3.0/go.mod h1:ykjzy2wzgrlvpDCRc4LA8UXy6D8bzMSuAF3WD57Gok0=
 github.com/tjfoc/gmsm v1.3.2 h1:7JVkAn5bvUJ7HtU08iW6UiD+UTmJTIToHCfeFzkcCxM=
 github.com/tjfoc/gmsm v1.3.2/go.mod h1:HaUcFuY0auTiaHB9MHFGCPx5IaLhTUd2atbCFBQXn9w=
 github.com/tklauser/go-sysconf v0.3.15 h1:VE89k0criAymJ/Os65CSn1IXaol+1wrsFHEB8Ol49K4=

internal/backup/s3_client.go

@@ -6,25 +6,24 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"strings"
 	"time"
 
 	"github.com/0xJacky/Nginx-UI/model"
-	"github.com/aws/aws-sdk-go-v2/aws"
-	"github.com/aws/aws-sdk-go-v2/config"
-	"github.com/aws/aws-sdk-go-v2/credentials"
-	"github.com/aws/aws-sdk-go-v2/service/s3"
+	"github.com/minio/minio-go/v7"
+	"github.com/minio/minio-go/v7/pkg/credentials"
 	"github.com/uozi-tech/cosy"
 	"github.com/uozi-tech/cosy/logger"
 )
 
-// S3Client wraps the AWS S3 client with backup-specific functionality
+// S3Client wraps the MinIO client with backup-specific functionality
 type S3Client struct {
-	client *s3.Client
+	client *minio.Client
 	bucket string
 }
 
 // NewS3Client creates a new S3 client from auto backup configuration.
-// This function initializes the AWS S3 client with the provided credentials and configuration.
+// This function initializes the MinIO client with the provided credentials and configuration.
 //
 // Parameters:
 //   - autoBackup: The auto backup configuration containing S3 settings
@@ -33,32 +32,28 @@ type S3Client struct {
 //   - *S3Client: Configured S3 client wrapper
 //   - error: CosyError if client creation fails
 func NewS3Client(autoBackup *model.AutoBackup) (*S3Client, error) {
-	// Create AWS configuration with static credentials
-	cfg, err := config.LoadDefaultConfig(context.TODO(),
-		config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(
-			autoBackup.S3AccessKeyID,
-			autoBackup.S3SecretAccessKey,
-			"", // session token (not used for static credentials)
-		)),
-		config.WithRegion(getS3Region(autoBackup.S3Region)),
-	)
-	if err != nil {
-		return nil, cosy.WrapErrorWithParams(ErrAutoBackupS3Upload, fmt.Sprintf("failed to load AWS config: %v", err))
+	// Determine endpoint and SSL settings
+	endpoint := autoBackup.S3Endpoint
+	if endpoint == "" {
+		endpoint = "s3.amazonaws.com"
 	}
 
-	// Create S3 client with custom endpoint if provided
-	var s3Client *s3.Client
-	if autoBackup.S3Endpoint != "" {
-		s3Client = s3.NewFromConfig(cfg, func(o *s3.Options) {
-			o.BaseEndpoint = aws.String(autoBackup.S3Endpoint)
-			o.UsePathStyle = true // Use path-style addressing for custom endpoints
-		})
-	} else {
-		s3Client = s3.NewFromConfig(cfg)
+	// Remove protocol prefix if present
+	endpoint = strings.ReplaceAll(endpoint, "https://", "")
+	endpoint = strings.ReplaceAll(endpoint, "http://", "")
+
+	// Initialize MinIO client
+	minioClient, err := minio.New(endpoint, &minio.Options{
+		Creds:  credentials.NewStaticV4(autoBackup.S3AccessKeyID, autoBackup.S3SecretAccessKey, ""),
+		Secure: true, // Use SSL by default
+		Region: getS3Region(autoBackup.S3Region),
+	})
+	if err != nil {
+		return nil, cosy.WrapErrorWithParams(ErrAutoBackupS3Upload, fmt.Sprintf("failed to create MinIO client: %v", err))
 	}
 
 	return &S3Client{
-		client: s3Client,
+		client: minioClient,
 		bucket: autoBackup.S3Bucket,
 	}, nil
 }
@@ -77,13 +72,10 @@ func NewS3Client(autoBackup *model.AutoBackup) (*S3Client, error) {
 func (s3c *S3Client) UploadFile(ctx context.Context, key string, data []byte, contentType string) error {
 	logger.Infof("Uploading file to S3: bucket=%s, key=%s, size=%d bytes", s3c.bucket, key, len(data))
 
-	// Create upload input
-	input := &s3.PutObjectInput{
-		Bucket:      aws.String(s3c.bucket),
-		Key:         aws.String(key),
-		Body:        bytes.NewReader(data),
-		ContentType: aws.String(contentType),
-		Metadata: map[string]string{
+	// Create upload options
+	opts := minio.PutObjectOptions{
+		ContentType: contentType,
+		UserMetadata: map[string]string{
 			"uploaded-by":    "nginx-ui",
 			"upload-time":    time.Now().UTC().Format(time.RFC3339),
 			"content-length": fmt.Sprintf("%d", len(data)),
@@ -91,7 +83,7 @@ func (s3c *S3Client) UploadFile(ctx context.Context, key string, data []byte, co
 	}
 
 	// Perform the upload
-	_, err := s3c.client.PutObject(ctx, input)
+	_, err := s3c.client.PutObject(ctx, s3c.bucket, key, bytes.NewReader(data), int64(len(data)), opts)
 	if err != nil {
 		return cosy.WrapErrorWithParams(ErrAutoBackupS3Upload, fmt.Sprintf("failed to upload to S3: %v", err))
 	}
@@ -155,20 +147,22 @@ func (s3c *S3Client) UploadBackupFiles(ctx context.Context, result *BackupExecut
 func (s3c *S3Client) TestS3Connection(ctx context.Context) error {
 	logger.Infof("Testing S3 connection: bucket=%s", s3c.bucket)
 
-	// Try to head the bucket to verify access
-	_, err := s3c.client.HeadBucket(ctx, &s3.HeadBucketInput{
-		Bucket: aws.String(s3c.bucket),
-	})
+	// Try to check if the bucket exists and is accessible
+	exists, err := s3c.client.BucketExists(ctx, s3c.bucket)
 	if err != nil {
 		return cosy.WrapErrorWithParams(ErrAutoBackupS3Upload, fmt.Sprintf("S3 connection test failed: %v", err))
 	}
 
+	if !exists {
+		return cosy.WrapErrorWithParams(ErrAutoBackupS3Upload, fmt.Sprintf("S3 bucket does not exist: %s", s3c.bucket))
+	}
+
 	logger.Infof("S3 connection test successful: bucket=%s", s3c.bucket)
 	return nil
 }
 
 // getS3Region returns the S3 region, defaulting to us-east-1 if not specified.
-// This function ensures a valid region is always provided to the AWS SDK.
+// This function ensures a valid region is always provided to the MinIO client.
 //
 // Parameters:
 //   - region: The configured S3 region

internal/backup/s3_client_test.go

@@ -138,11 +138,11 @@ func TestNewS3Client_ValidationErrors(t *testing.T) {
 				assert.Error(t, err)
 				assert.Nil(t, client)
 			} else {
-				// Note: This will fail in CI/test environment without AWS credentials
+				// Note: This will fail in CI/test environment without MinIO credentials
 				// but the client creation itself should succeed
 				if err != nil {
-					// Allow AWS credential errors in test environment
-					assert.Contains(t, err.Error(), "failed to load AWS config")
+					// Allow MinIO client creation errors in test environment
+					assert.Contains(t, err.Error(), "failed to create MinIO client")
 				} else {
 					assert.NotNil(t, client)
 					assert.Equal(t, tt.autoBackup.S3Bucket, client.bucket)