publish and dryrun using official plugin

(maint) bump git to 1.13 for build and test

.drone.yml

@@ -8,6 +8,7 @@ platform:
 
 steps:
 - name: vet
+  pull: always
   image: golang:1.13
   commands:
   - go vet ./...
@@ -18,6 +19,7 @@ steps:
     path: /go
 
 - name: test
+  pull: always
   image: golang:1.13
   commands:
   - go test -cover ./...
@@ -49,6 +51,7 @@ platform:
 
 steps:
 - name: build-push
+  pull: always
   image: golang:1.13
   commands:
   - "go build -v -ldflags \"-X main.version=${DRONE_COMMIT_SHA:0:8}\" -a -tags netgo -o release/linux/amd64/drone-docker ./cmd/drone-docker"
@@ -61,6 +64,7 @@ steps:
       - tag
 
 - name: build-tag
+  pull: always
   image: golang:1.13
   commands:
   - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v}\" -a -tags netgo -o release/linux/amd64/drone-docker ./cmd/drone-docker"
@@ -72,6 +76,7 @@ steps:
     - tag
 
 - name: executable
+  pull: always
   image: golang:1.13
   commands:
   - ./release/linux/amd64/drone-docker --help
@@ -80,7 +85,7 @@ steps:
   pull: always
   image: plugins/docker:linux-amd64
   settings:
-    daemon_off: false
+    daemon_off: true
     dockerfile: docker/docker/Dockerfile.linux.amd64
     dry_run: true
     repo: immawanderer/drone-docker

docker/docker/Dockerfile.linux.amd64

@@ -2,5 +2,14 @@ FROM docker:20.10.10-dind
 
 ENV DOCKER_HOST=unix:///var/run/docker.sock
 
+RUN apk --update add --virtual .build-deps curl && \
+    mkdir -p /etc/docker/ && \
+    curl -SsL -o /etc/docker/default.json https://raw.githubusercontent.com/moby/moby/20.10/profiles/seccomp/default.json && \
+    sed -i 's/SCMP_ACT_ERRNO/SCMP_ACT_TRACE/g' /etc/docker/default.json && \
+    chmod 600 /etc/docker/default.json && \
+    apk del .build-deps && \
+    rm -rf /var/cache/apk/* && \
+    rm -rf /tmp/*
+
 ADD release/linux/amd64/drone-docker /bin/
 ENTRYPOINT ["/usr/local/bin/dockerd-entrypoint.sh", "/bin/drone-docker"]

docker/docker/Dockerfile.linux.arm

@@ -4,7 +4,7 @@ ENV DOCKER_HOST=unix:///var/run/docker.sock
 
 RUN apk --update add --virtual .build-deps curl && \
     mkdir -p /etc/docker/ && \
-    curl -SsL -o /etc/docker/default.json https://raw.githubusercontent.com/moby/moby/19.03/profiles/seccomp/default.json && \
+    curl -SsL -o /etc/docker/default.json https://raw.githubusercontent.com/moby/moby/20.10/profiles/seccomp/default.json && \
     sed -i 's/SCMP_ACT_ERRNO/SCMP_ACT_TRACE/g' /etc/docker/default.json && \
     chmod 600 /etc/docker/default.json && \
     apk del .build-deps && \

docker/docker/Dockerfile.linux.arm64

@@ -2,5 +2,14 @@ FROM arm64v8/docker:19.03.8-dind
 
 ENV DOCKER_HOST=unix:///var/run/docker.sock
 
+RUN apk --update add --virtual .build-deps curl && \
+    mkdir -p /etc/docker/ && \
+    curl -SsL -o /etc/docker/default.json https://raw.githubusercontent.com/moby/moby/20.10/profiles/seccomp/default.json && \
+    sed -i 's/SCMP_ACT_ERRNO/SCMP_ACT_TRACE/g' /etc/docker/default.json && \
+    chmod 600 /etc/docker/default.json && \
+    apk del .build-deps && \
+    rm -rf /var/cache/apk/* && \
+    rm -rf /tmp/*
+
 ADD release/linux/arm64/drone-docker /bin/
 ENTRYPOINT ["/usr/local/bin/dockerd-entrypoint.sh", "/bin/drone-docker"]