Update Dockerfile

Install sql-migrate package

Author: quangnhut123

Dockerfile

@@ -9,3 +9,11 @@ RUN sudo unzip awscliv2.zip
 RUN sudo ./aws/install -i /usr/local/aws-cli -b /usr/local/bin
 RUN sudo rm -rf aws awscliv2.zip
 RUN sudo aws --version
+
+# Install dependencies first (cached if unchanged)
+RUN apk update && apk add --no-cache make git build-base
+
+# Install sql-migrate (cached if unchanged)
+RUN go install github.com/rubenv/sql-migrate/...@v1.7.0 && \
+  mkdir -p /build && \
+  cp -rf /go/bin/sql-migrate /build/sql-migrate