50 lines
2.2 KiB
Bash
Executable File
50 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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set -x
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# create nginx user/group first, to be consistent throughout docker variants
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addgroup -g 101 -S nginx
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adduser -S -D -H -u 101 -h /var/cache/nginx -s /sbin/nologin -G nginx -g nginx nginx
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nginxPackages="nginx=${NGINX_VERSION}-r${PKG_RELEASE}"
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# install prerequisites for public key and pkg-oss checks
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apk add --no-cache --virtual .checksum-deps openssl
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set -x
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KEY_SHA512="e09fa32f0a0eab2b879ccbbc4d0e4fb9751486eedda75e35fac65802cc9faa266425edf83e261137a2f4d16281ce2c1a5f4502930fe75154723da014214f0655"
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wget -O /tmp/nginx_signing.rsa.pub https://nginx.org/keys/nginx_signing.rsa.pub
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if echo "$KEY_SHA512 */tmp/nginx_signing.rsa.pub" | sha512sum -c -; then \
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echo "key verification succeeded!"; \
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mv /tmp/nginx_signing.rsa.pub /etc/apk/keys/; \
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else \
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echo "key verification failed!"; \
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exit 1; \
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fi
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apk add -X "https://nginx.org/packages/ainline/alpine/v$(egrep -o '^[0-9]+\.[0-9]+' /etc/alpine-release)/main" --no-cache $nginxPackages
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# remove checksum deps
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apk del --no-network .checksum-deps
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# if we have leftovers from building, let's purge them (including extra, unnecessary build deps)
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if [ -n "$tempDir" ]; then rm -rf "$tempDir"; fi
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if [ -f "/etc/apk/keys/abuild-key.rsa.pub" ]; then rm -f /etc/apk/keys/abuild-key.rsa.pub; fi
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if [ -f "/etc/apk/keys/nginx_signing.rsa.pub" ]; then rm -f /etc/apk/keys/nginx_signing.rsa.pub; fi
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# Bring in gettext so we can get `envsubst`, then throw
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# the rest away. To do this, we need to install `gettext`
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# then move `envsubst` out of the way so `gettext` can
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# be deleted completely, then move `envsubst` back.
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apk add --no-cache --virtual .gettext gettext
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mv /usr/bin/envsubst /tmp/ \
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runDeps="$( \
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scanelf --needed --nobanner /tmp/envsubst \
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| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
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| sort -u \
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| xargs -r apk info --installed \
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| sort -u \
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)"
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apk add --no-cache $runDeps
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apk del --no-network .gettext
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mv /tmp/envsubst /usr/local/bin/
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# Bring in tzdata so users could set the timezones through the environment
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# variables
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apk add --no-cache tzdata
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# forward request and error logs to docker log collector
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ln -sf /dev/stdout /var/log/nginx/access.log
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ln -sf /dev/stderr /var/log/nginx/error.log
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# create a docker-entrypoint.d directory
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mkdir /docker-entrypoint.d |